Home / 52,289.17-78,449.15-19,008.71

Finding the Fourth Proportional to 52,289.17, 78,449.15 and 19,008.71

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Solution

The fourth proportional to 52,289.17, 78,449.15 and 19,008.71 is: 28,518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,289.17 : 78,449.15 = 19,008.71 : x
  2. Step 2: Convert to fraction form
    52,289.17/78,449.15 = 19,008.71/x
  3. Step 3: Cross multiply
    52,289.17x = 78,449.15 × 19,008.71
  4. Step 4: Simplify right side
    52,289.17x = 1,491,217,142.10
  5. Step 5: Solve for x
    x = 1,491,217,142.10/52,289.17
  6. Step 6: Final answer
    x = 28,518.66

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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.