Home / 51,732.32-71,417.60-40,221.76

Finding the Fourth Proportional to 51,732.32, 71,417.60 and 40,221.76

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Solution

The fourth proportional to 51,732.32, 71,417.60 and 40,221.76 is: 55,527.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,732.32 : 71,417.60 = 40,221.76 : x
  2. Step 2: Convert to fraction form
    51,732.32/71,417.60 = 40,221.76/x
  3. Step 3: Cross multiply
    51,732.32x = 71,417.60 × 40,221.76
  4. Step 4: Simplify right side
    51,732.32x = 2,872,541,566.98
  5. Step 5: Solve for x
    x = 2,872,541,566.98/51,732.32
  6. Step 6: Final answer
    x = 55,527.02

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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.