Home / 41,783.06-57,661.54-22,920.19

Finding the Fourth Proportional to 41,783.06, 57,661.54 and 22,920.19

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Solution

The fourth proportional to 41,783.06, 57,661.54 and 22,920.19 is: 31,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,783.06 : 57,661.54 = 22,920.19 : x
  2. Step 2: Convert to fraction form
    41,783.06/57,661.54 = 22,920.19/x
  3. Step 3: Cross multiply
    41,783.06x = 57,661.54 × 22,920.19
  4. Step 4: Simplify right side
    41,783.06x = 1,321,613,251.04
  5. Step 5: Solve for x
    x = 1,321,613,251.04/41,783.06
  6. Step 6: Final answer
    x = 31,630.36

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Half scale
Find fourth proportional to 83,566.13, 115,323.08 and 45,840.38
Double scale
Find fourth proportional to 41,784.06, 57,662.92 and 22,921.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.