Home / 39,761.20-59,641.80-16,404.40

Finding the Fourth Proportional to 39,761.20, 59,641.80 and 16,404.40

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Solution

The fourth proportional to 39,761.20, 59,641.80 and 16,404.40 is: 24,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.20 : 59,641.80 = 16,404.40 : x
  2. Step 2: Convert to fraction form
    39,761.20/59,641.80 = 16,404.40/x
  3. Step 3: Cross multiply
    39,761.20x = 59,641.80 × 16,404.40
  4. Step 4: Simplify right side
    39,761.20x = 978,387,943.92
  5. Step 5: Solve for x
    x = 978,387,943.92/39,761.20
  6. Step 6: Final answer
    x = 24,606.60

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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.