Home / 45,228.27-67,731.69-31,868.43

Finding the Fourth Proportional to 45,228.27, 67,731.69 and 31,868.43

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Solution

The fourth proportional to 45,228.27, 67,731.69 and 31,868.43 is: 47,724.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,228.27 : 67,731.69 = 31,868.43 : x
  2. Step 2: Convert to fraction form
    45,228.27/67,731.69 = 31,868.43/x
  3. Step 3: Cross multiply
    45,228.27x = 67,731.69 × 31,868.43
  4. Step 4: Simplify right side
    45,228.27x = 2,158,502,462.20
  5. Step 5: Solve for x
    x = 2,158,502,462.20/45,228.27
  6. Step 6: Final answer
    x = 47,724.63

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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.