Home / 51,439.14-77,167.35-16,389.54

Finding the Fourth Proportional to 51,439.14, 77,167.35 and 16,389.54

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Solution

The fourth proportional to 51,439.14, 77,167.35 and 16,389.54 is: 24,587.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,439.14 : 77,167.35 = 16,389.54 : x
  2. Step 2: Convert to fraction form
    51,439.14/77,167.35 = 16,389.54/x
  3. Step 3: Cross multiply
    51,439.14x = 77,167.35 × 16,389.54
  4. Step 4: Simplify right side
    51,439.14x = 1,264,737,369.52
  5. Step 5: Solve for x
    x = 1,264,737,369.52/51,439.14
  6. Step 6: Final answer
    x = 24,587.06

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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.