Home / 51,509.61-77,252.29-14,060.78

Finding the Fourth Proportional to 51,509.61, 77,252.29 and 14,060.78

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Solution

The fourth proportional to 51,509.61, 77,252.29 and 14,060.78 is: 21,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,509.61 : 77,252.29 = 14,060.78 : x
  2. Step 2: Convert to fraction form
    51,509.61/77,252.29 = 14,060.78/x
  3. Step 3: Cross multiply
    51,509.61x = 77,252.29 × 14,060.78
  4. Step 4: Simplify right side
    51,509.61x = 1,086,226,997.62
  5. Step 5: Solve for x
    x = 1,086,226,997.62/51,509.61
  6. Step 6: Final answer
    x = 21,087.85

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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.