Home / 52,418.38-78,628.17-12,975.83

Finding the Fourth Proportional to 52,418.38, 78,628.17 and 12,975.83

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Solution

The fourth proportional to 52,418.38, 78,628.17 and 12,975.83 is: 19,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,418.38 : 78,628.17 = 12,975.83 : x
  2. Step 2: Convert to fraction form
    52,418.38/78,628.17 = 12,975.83/x
  3. Step 3: Cross multiply
    52,418.38x = 78,628.17 × 12,975.83
  4. Step 4: Simplify right side
    52,418.38x = 1,020,265,767.13
  5. Step 5: Solve for x
    x = 1,020,265,767.13/52,418.38
  6. Step 6: Final answer
    x = 19,463.90

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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.