Home / 51,930.62-71,665.65-31,787.13

Finding the Fourth Proportional to 51,930.62, 71,665.65 and 31,787.13

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Solution

The fourth proportional to 51,930.62, 71,665.65 and 31,787.13 is: 43,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,930.62 : 71,665.65 = 31,787.13 : x
  2. Step 2: Convert to fraction form
    51,930.62/71,665.65 = 31,787.13/x
  3. Step 3: Cross multiply
    51,930.62x = 71,665.65 × 31,787.13
  4. Step 4: Simplify right side
    51,930.62x = 2,278,045,333.08
  5. Step 5: Solve for x
    x = 2,278,045,333.08/51,930.62
  6. Step 6: Final answer
    x = 43,867.10

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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.