Home / 39,001.28-58,502.02-12,708.06

Finding the Fourth Proportional to 39,001.28, 58,502.02 and 12,708.06

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Solution

The fourth proportional to 39,001.28, 58,502.02 and 12,708.06 is: 19,062.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.28 : 58,502.02 = 12,708.06 : x
  2. Step 2: Convert to fraction form
    39,001.28/58,502.02 = 12,708.06/x
  3. Step 3: Cross multiply
    39,001.28x = 58,502.02 × 12,708.06
  4. Step 4: Simplify right side
    39,001.28x = 743,447,180.28
  5. Step 5: Solve for x
    x = 743,447,180.28/39,001.28
  6. Step 6: Final answer
    x = 19,062.12

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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.