Home / 42,085.50-58,078.80-23,222.22

Finding the Fourth Proportional to 42,085.50, 58,078.80 and 23,222.22

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Solution

The fourth proportional to 42,085.50, 58,078.80 and 23,222.22 is: 32,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,085.50 : 58,078.80 = 23,222.22 : x
  2. Step 2: Convert to fraction form
    42,085.50/58,078.80 = 23,222.22/x
  3. Step 3: Cross multiply
    42,085.50x = 58,078.80 × 23,222.22
  4. Step 4: Simplify right side
    42,085.50x = 1,348,718,670.94
  5. Step 5: Solve for x
    x = 1,348,718,670.94/42,085.50
  6. Step 6: Final answer
    x = 32,047.11

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Half scale
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Double scale
Find fourth proportional to 42,086.50, 58,080.18 and 23,223.22
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.