Home / 39,120.33-53,985.10-22,352.25

Finding the Fourth Proportional to 39,120.33, 53,985.10 and 22,352.25

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Solution

The fourth proportional to 39,120.33, 53,985.10 and 22,352.25 is: 30,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,120.33 : 53,985.10 = 22,352.25 : x
  2. Step 2: Convert to fraction form
    39,120.33/53,985.10 = 22,352.25/x
  3. Step 3: Cross multiply
    39,120.33x = 53,985.10 × 22,352.25
  4. Step 4: Simplify right side
    39,120.33x = 1,206,688,451.48
  5. Step 5: Solve for x
    x = 1,206,688,451.48/39,120.33
  6. Step 6: Final answer
    x = 30,845.56

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Double scale
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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.