Home / 63,665.10-95,438.30-21,515.72

Finding the Fourth Proportional to 63,665.10, 95,438.30 and 21,515.72

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Solution

The fourth proportional to 63,665.10, 95,438.30 and 21,515.72 is: 32,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,665.10 : 95,438.30 = 21,515.72 : x
  2. Step 2: Convert to fraction form
    63,665.10/95,438.30 = 21,515.72/x
  3. Step 3: Cross multiply
    63,665.10x = 95,438.30 × 21,515.72
  4. Step 4: Simplify right side
    63,665.10x = 2,053,423,235.99
  5. Step 5: Solve for x
    x = 2,053,423,235.99/63,665.10
  6. Step 6: Final answer
    x = 32,253.51

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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.