Home / 51,869.69-71,581.10-30,648.91

Finding the Fourth Proportional to 51,869.69, 71,581.10 and 30,648.91

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Solution

The fourth proportional to 51,869.69, 71,581.10 and 30,648.91 is: 42,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,869.69 : 71,581.10 = 30,648.91 : x
  2. Step 2: Convert to fraction form
    51,869.69/71,581.10 = 30,648.91/x
  3. Step 3: Cross multiply
    51,869.69x = 71,581.10 × 30,648.91
  4. Step 4: Simplify right side
    51,869.69x = 2,193,882,691.60
  5. Step 5: Solve for x
    x = 2,193,882,691.60/51,869.69
  6. Step 6: Final answer
    x = 42,296.04

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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.