Home / 51,988.52-71,743.97-28,115.14

Finding the Fourth Proportional to 51,988.52, 71,743.97 and 28,115.14

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Solution

The fourth proportional to 51,988.52, 71,743.97 and 28,115.14 is: 38,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988.52 : 71,743.97 = 28,115.14 : x
  2. Step 2: Convert to fraction form
    51,988.52/71,743.97 = 28,115.14/x
  3. Step 3: Cross multiply
    51,988.52x = 71,743.97 × 28,115.14
  4. Step 4: Simplify right side
    51,988.52x = 2,017,091,487.58
  5. Step 5: Solve for x
    x = 2,017,091,487.58/51,988.52
  6. Step 6: Final answer
    x = 38,798.79

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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.