Home / 51,649.53-71,276.91-28,680.87

Finding the Fourth Proportional to 51,649.53, 71,276.91 and 28,680.87

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Solution

The fourth proportional to 51,649.53, 71,276.91 and 28,680.87 is: 39,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,649.53 : 71,276.91 = 28,680.87 : x
  2. Step 2: Convert to fraction form
    51,649.53/71,276.91 = 28,680.87/x
  3. Step 3: Cross multiply
    51,649.53x = 71,276.91 × 28,680.87
  4. Step 4: Simplify right side
    51,649.53x = 2,044,283,789.71
  5. Step 5: Solve for x
    x = 2,044,283,789.71/51,649.53
  6. Step 6: Final answer
    x = 39,579.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.