Home / 72,031.24-108,000.06-29,899.72

Finding the Fourth Proportional to 72,031.24, 108,000.06 and 29,899.72

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Solution

The fourth proportional to 72,031.24, 108,000.06 and 29,899.72 is: 44,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,031.24 : 108,000.06 = 29,899.72 : x
  2. Step 2: Convert to fraction form
    72,031.24/108,000.06 = 29,899.72/x
  3. Step 3: Cross multiply
    72,031.24x = 108,000.06 × 29,899.72
  4. Step 4: Simplify right side
    72,031.24x = 3,229,171,553.98
  5. Step 5: Solve for x
    x = 3,229,171,553.98/72,031.24
  6. Step 6: Final answer
    x = 44,830.15

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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.