Home / 52,197.12-78,280.80-14,754.72

Finding the Fourth Proportional to 52,197.12, 78,280.80 and 14,754.72

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Solution

The fourth proportional to 52,197.12, 78,280.80 and 14,754.72 is: 22,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,197.12 : 78,280.80 = 14,754.72 : x
  2. Step 2: Convert to fraction form
    52,197.12/78,280.80 = 14,754.72/x
  3. Step 3: Cross multiply
    52,197.12x = 78,280.80 × 14,754.72
  4. Step 4: Simplify right side
    52,197.12x = 1,155,011,285.38
  5. Step 5: Solve for x
    x = 1,155,011,285.38/52,197.12
  6. Step 6: Final answer
    x = 22,127.87

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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.