Home / 51,425.71-70,971.11-28,766.82

Finding the Fourth Proportional to 51,425.71, 70,971.11 and 28,766.82

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Solution

The fourth proportional to 51,425.71, 70,971.11 and 28,766.82 is: 39,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,425.71 : 70,971.11 = 28,766.82 : x
  2. Step 2: Convert to fraction form
    51,425.71/70,971.11 = 28,766.82/x
  3. Step 3: Cross multiply
    51,425.71x = 70,971.11 × 28,766.82
  4. Step 4: Simplify right side
    51,425.71x = 2,041,613,146.57
  5. Step 5: Solve for x
    x = 2,041,613,146.57/51,425.71
  6. Step 6: Final answer
    x = 39,700.24

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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.