Home / 51,688.92-71,322.18-30,472.29

Finding the Fourth Proportional to 51,688.92, 71,322.18 and 30,472.29

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Solution

The fourth proportional to 51,688.92, 71,322.18 and 30,472.29 is: 42,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,688.92 : 71,322.18 = 30,472.29 : x
  2. Step 2: Convert to fraction form
    51,688.92/71,322.18 = 30,472.29/x
  3. Step 3: Cross multiply
    51,688.92x = 71,322.18 × 30,472.29
  4. Step 4: Simplify right side
    51,688.92x = 2,173,350,152.39
  5. Step 5: Solve for x
    x = 2,173,350,152.39/51,688.92
  6. Step 6: Final answer
    x = 42,046.73

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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.