Home / 39,422-59,130.30-9,839.18

Finding the Fourth Proportional to 39,422, 59,130.30 and 9,839.18

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Solution

The fourth proportional to 39,422, 59,130.30 and 9,839.18 is: 14,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,422 : 59,130.30 = 9,839.18 : x
  2. Step 2: Convert to fraction form
    39,422/59,130.30 = 9,839.18/x
  3. Step 3: Cross multiply
    39,422x = 59,130.30 × 9,839.18
  4. Step 4: Simplify right side
    39,422x = 581,793,665.15
  5. Step 5: Solve for x
    x = 581,793,665.15/39,422
  6. Step 6: Final answer
    x = 14,758.10

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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.