Home / 34,689.79-52,038.20-9,729.91

Finding the Fourth Proportional to 34,689.79, 52,038.20 and 9,729.91

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Solution

The fourth proportional to 34,689.79, 52,038.20 and 9,729.91 is: 14,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.79 : 52,038.20 = 9,729.91 : x
  2. Step 2: Convert to fraction form
    34,689.79/52,038.20 = 9,729.91/x
  3. Step 3: Cross multiply
    34,689.79x = 52,038.20 × 9,729.91
  4. Step 4: Simplify right side
    34,689.79x = 506,327,002.56
  5. Step 5: Solve for x
    x = 506,327,002.56/34,689.79
  6. Step 6: Final answer
    x = 14,595.85

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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.