Home / 38,963.01-58,432.10-12,661.41

Finding the Fourth Proportional to 38,963.01, 58,432.10 and 12,661.41

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Solution

The fourth proportional to 38,963.01, 58,432.10 and 12,661.41 is: 18,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,963.01 : 58,432.10 = 12,661.41 : x
  2. Step 2: Convert to fraction form
    38,963.01/58,432.10 = 12,661.41/x
  3. Step 3: Cross multiply
    38,963.01x = 58,432.10 × 12,661.41
  4. Step 4: Simplify right side
    38,963.01x = 739,832,711.95
  5. Step 5: Solve for x
    x = 739,832,711.95/38,963.01
  6. Step 6: Final answer
    x = 18,988.08

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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.