Home / 51,437.20-77,159.16-19,862.32

Finding the Fourth Proportional to 51,437.20, 77,159.16 and 19,862.32

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Solution

The fourth proportional to 51,437.20, 77,159.16 and 19,862.32 is: 29,794.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,437.20 : 77,159.16 = 19,862.32 : x
  2. Step 2: Convert to fraction form
    51,437.20/77,159.16 = 19,862.32/x
  3. Step 3: Cross multiply
    51,437.20x = 77,159.16 × 19,862.32
  4. Step 4: Simplify right side
    51,437.20x = 1,532,559,926.85
  5. Step 5: Solve for x
    x = 1,532,559,926.85/51,437.20
  6. Step 6: Final answer
    x = 29,794.78

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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.