Home / 63,129.20-94,708.36-18,754.96

Finding the Fourth Proportional to 63,129.20, 94,708.36 and 18,754.96

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Solution

The fourth proportional to 63,129.20, 94,708.36 and 18,754.96 is: 28,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,129.20 : 94,708.36 = 18,754.96 : x
  2. Step 2: Convert to fraction form
    63,129.20/94,708.36 = 18,754.96/x
  3. Step 3: Cross multiply
    63,129.20x = 94,708.36 × 18,754.96
  4. Step 4: Simplify right side
    63,129.20x = 1,776,251,503.47
  5. Step 5: Solve for x
    x = 1,776,251,503.47/63,129.20
  6. Step 6: Final answer
    x = 28,136.77

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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.