Home / 51,248.80-76,874.40-18,007.12

Finding the Fourth Proportional to 51,248.80, 76,874.40 and 18,007.12

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Solution

The fourth proportional to 51,248.80, 76,874.40 and 18,007.12 is: 27,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.80 : 76,874.40 = 18,007.12 : x
  2. Step 2: Convert to fraction form
    51,248.80/76,874.40 = 18,007.12/x
  3. Step 3: Cross multiply
    51,248.80x = 76,874.40 × 18,007.12
  4. Step 4: Simplify right side
    51,248.80x = 1,384,286,545.73
  5. Step 5: Solve for x
    x = 1,384,286,545.73/51,248.80
  6. Step 6: Final answer
    x = 27,011.10

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1.5x scale

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.