Home / 39,515.40-59,273.10-9,934.20

Finding the Fourth Proportional to 39,515.40, 59,273.10 and 9,934.20

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Solution

The fourth proportional to 39,515.40, 59,273.10 and 9,934.20 is: 14,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,515.40 : 59,273.10 = 9,934.20 : x
  2. Step 2: Convert to fraction form
    39,515.40/59,273.10 = 9,934.20/x
  3. Step 3: Cross multiply
    39,515.40x = 59,273.10 × 9,934.20
  4. Step 4: Simplify right side
    39,515.40x = 588,830,830.02
  5. Step 5: Solve for x
    x = 588,830,830.02/39,515.40
  6. Step 6: Final answer
    x = 14,901.30

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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.