Home / 51,586.40-71,201.90-31,454.39

Finding the Fourth Proportional to 51,586.40, 71,201.90 and 31,454.39

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Solution

The fourth proportional to 51,586.40, 71,201.90 and 31,454.39 is: 43,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,586.40 : 71,201.90 = 31,454.39 : x
  2. Step 2: Convert to fraction form
    51,586.40/71,201.90 = 31,454.39/x
  3. Step 3: Cross multiply
    51,586.40x = 71,201.90 × 31,454.39
  4. Step 4: Simplify right side
    51,586.40x = 2,239,612,587.98
  5. Step 5: Solve for x
    x = 2,239,612,587.98/51,586.40
  6. Step 6: Final answer
    x = 43,414.79

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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.