Home / 51,764.16-71,438.40-29,105.76

Finding the Fourth Proportional to 51,764.16, 71,438.40 and 29,105.76

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Solution

The fourth proportional to 51,764.16, 71,438.40 and 29,105.76 is: 40,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,764.16 : 71,438.40 = 29,105.76 : x
  2. Step 2: Convert to fraction form
    51,764.16/71,438.40 = 29,105.76/x
  3. Step 3: Cross multiply
    51,764.16x = 71,438.40 × 29,105.76
  4. Step 4: Simplify right side
    51,764.16x = 2,079,268,925.18
  5. Step 5: Solve for x
    x = 2,079,268,925.18/51,764.16
  6. Step 6: Final answer
    x = 40,168.12

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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.