Home / 42,001.34-62,989.02-12,013.46

Finding the Fourth Proportional to 42,001.34, 62,989.02 and 12,013.46

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Solution

The fourth proportional to 42,001.34, 62,989.02 and 12,013.46 is: 18,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.34 : 62,989.02 = 12,013.46 : x
  2. Step 2: Convert to fraction form
    42,001.34/62,989.02 = 12,013.46/x
  3. Step 3: Cross multiply
    42,001.34x = 62,989.02 × 12,013.46
  4. Step 4: Simplify right side
    42,001.34x = 756,716,314.00
  5. Step 5: Solve for x
    x = 756,716,314.00/42,001.34
  6. Step 6: Final answer
    x = 18,016.48

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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.