Home / 51,862.68-77,743.44-28,148.76

Finding the Fourth Proportional to 51,862.68, 77,743.44 and 28,148.76

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Solution

The fourth proportional to 51,862.68, 77,743.44 and 28,148.76 is: 42,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,862.68 : 77,743.44 = 28,148.76 : x
  2. Step 2: Convert to fraction form
    51,862.68/77,743.44 = 28,148.76/x
  3. Step 3: Cross multiply
    51,862.68x = 77,743.44 × 28,148.76
  4. Step 4: Simplify right side
    51,862.68x = 2,188,381,434.13
  5. Step 5: Solve for x
    x = 2,188,381,434.13/51,862.68
  6. Step 6: Final answer
    x = 42,195.69

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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.