Home / 52,294.28-78,474.78-19,011.15

Finding the Fourth Proportional to 52,294.28, 78,474.78 and 19,011.15

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Solution

The fourth proportional to 52,294.28, 78,474.78 and 19,011.15 is: 28,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,294.28 : 78,474.78 = 19,011.15 : x
  2. Step 2: Convert to fraction form
    52,294.28/78,474.78 = 19,011.15/x
  3. Step 3: Cross multiply
    52,294.28x = 78,474.78 × 19,011.15
  4. Step 4: Simplify right side
    52,294.28x = 1,491,895,813.80
  5. Step 5: Solve for x
    x = 1,491,895,813.80/52,294.28
  6. Step 6: Final answer
    x = 28,528.86

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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.