Home / 45,484.53-62,767.71-31,143.96

Finding the Fourth Proportional to 45,484.53, 62,767.71 and 31,143.96

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Solution

The fourth proportional to 45,484.53, 62,767.71 and 31,143.96 is: 42,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,484.53 : 62,767.71 = 31,143.96 : x
  2. Step 2: Convert to fraction form
    45,484.53/62,767.71 = 31,143.96/x
  3. Step 3: Cross multiply
    45,484.53x = 62,767.71 × 31,143.96
  4. Step 4: Simplify right side
    45,484.53x = 1,954,835,049.53
  5. Step 5: Solve for x
    x = 1,954,835,049.53/45,484.53
  6. Step 6: Final answer
    x = 42,978.02

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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.