Home / 45,931.27-68,909.87-18,248.71

Finding the Fourth Proportional to 45,931.27, 68,909.87 and 18,248.71

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Solution

The fourth proportional to 45,931.27, 68,909.87 and 18,248.71 is: 27,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.27 : 68,909.87 = 18,248.71 : x
  2. Step 2: Convert to fraction form
    45,931.27/68,909.87 = 18,248.71/x
  3. Step 3: Cross multiply
    45,931.27x = 68,909.87 × 18,248.71
  4. Step 4: Simplify right side
    45,931.27x = 1,257,516,233.77
  5. Step 5: Solve for x
    x = 1,257,516,233.77/45,931.27
  6. Step 6: Final answer
    x = 27,378.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.