Home / 51,988.29-71,743.62-28,114.95

Finding the Fourth Proportional to 51,988.29, 71,743.62 and 28,114.95

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Solution

The fourth proportional to 51,988.29, 71,743.62 and 28,114.95 is: 38,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988.29 : 71,743.62 = 28,114.95 : x
  2. Step 2: Convert to fraction form
    51,988.29/71,743.62 = 28,114.95/x
  3. Step 3: Cross multiply
    51,988.29x = 71,743.62 × 28,114.95
  4. Step 4: Simplify right side
    51,988.29x = 2,017,068,289.12
  5. Step 5: Solve for x
    x = 2,017,068,289.12/51,988.29
  6. Step 6: Final answer
    x = 38,798.51

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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.