Home / 51,607.85-77,302.41-38,988.86

Finding the Fourth Proportional to 51,607.85, 77,302.41 and 38,988.86

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Solution

The fourth proportional to 51,607.85, 77,302.41 and 38,988.86 is: 58,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607.85 : 77,302.41 = 38,988.86 : x
  2. Step 2: Convert to fraction form
    51,607.85/77,302.41 = 38,988.86/x
  3. Step 3: Cross multiply
    51,607.85x = 77,302.41 × 38,988.86
  4. Step 4: Simplify right side
    51,607.85x = 3,013,932,454.64
  5. Step 5: Solve for x
    x = 3,013,932,454.64/51,607.85
  6. Step 6: Final answer
    x = 58,400.66

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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.