Home / 63,031.20-94,564.80-38,078.88

Finding the Fourth Proportional to 63,031.20, 94,564.80 and 38,078.88

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Solution

The fourth proportional to 63,031.20, 94,564.80 and 38,078.88 is: 57,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,031.20 : 94,564.80 = 38,078.88 : x
  2. Step 2: Convert to fraction form
    63,031.20/94,564.80 = 38,078.88/x
  3. Step 3: Cross multiply
    63,031.20x = 94,564.80 × 38,078.88
  4. Step 4: Simplify right side
    63,031.20x = 3,600,921,671.42
  5. Step 5: Solve for x
    x = 3,600,921,671.42/63,031.20
  6. Step 6: Final answer
    x = 57,129.19

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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.