Home / 51,551.98-77,306.10-18,280.42

Finding the Fourth Proportional to 51,551.98, 77,306.10 and 18,280.42

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Solution

The fourth proportional to 51,551.98, 77,306.10 and 18,280.42 is: 27,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551.98 : 77,306.10 = 18,280.42 : x
  2. Step 2: Convert to fraction form
    51,551.98/77,306.10 = 18,280.42/x
  3. Step 3: Cross multiply
    51,551.98x = 77,306.10 × 18,280.42
  4. Step 4: Simplify right side
    51,551.98x = 1,413,187,976.56
  5. Step 5: Solve for x
    x = 1,413,187,976.56/51,551.98
  6. Step 6: Final answer
    x = 27,412.87

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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.