Home / 39,720.38-59,588.77-11,641.35

Finding the Fourth Proportional to 39,720.38, 59,588.77 and 11,641.35

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Solution

The fourth proportional to 39,720.38, 59,588.77 and 11,641.35 is: 17,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,720.38 : 59,588.77 = 11,641.35 : x
  2. Step 2: Convert to fraction form
    39,720.38/59,588.77 = 11,641.35/x
  3. Step 3: Cross multiply
    39,720.38x = 59,588.77 × 11,641.35
  4. Step 4: Simplify right side
    39,720.38x = 693,693,698.54
  5. Step 5: Solve for x
    x = 693,693,698.54/39,720.38
  6. Step 6: Final answer
    x = 17,464.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.