Home / 39,921.02-59,881.16-9,935.30

Finding the Fourth Proportional to 39,921.02, 59,881.16 and 9,935.30

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Solution

The fourth proportional to 39,921.02, 59,881.16 and 9,935.30 is: 14,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,921.02 : 59,881.16 = 9,935.30 : x
  2. Step 2: Convert to fraction form
    39,921.02/59,881.16 = 9,935.30/x
  3. Step 3: Cross multiply
    39,921.02x = 59,881.16 × 9,935.30
  4. Step 4: Simplify right side
    39,921.02x = 594,937,288.95
  5. Step 5: Solve for x
    x = 594,937,288.95/39,921.02
  6. Step 6: Final answer
    x = 14,902.86

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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.