Home / 51,801.39-71,479.19-29,139.62

Finding the Fourth Proportional to 51,801.39, 71,479.19 and 29,139.62

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Solution

The fourth proportional to 51,801.39, 71,479.19 and 29,139.62 is: 40,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,801.39 : 71,479.19 = 29,139.62 : x
  2. Step 2: Convert to fraction form
    51,801.39/71,479.19 = 29,139.62/x
  3. Step 3: Cross multiply
    51,801.39x = 71,479.19 × 29,139.62
  4. Step 4: Simplify right side
    51,801.39x = 2,082,876,149.96
  5. Step 5: Solve for x
    x = 2,082,876,149.96/51,801.39
  6. Step 6: Final answer
    x = 40,208.89

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1.5x scale

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.