Home / 45,125.18-67,613.79-31,953.90

Finding the Fourth Proportional to 45,125.18, 67,613.79 and 31,953.90

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Solution

The fourth proportional to 45,125.18, 67,613.79 and 31,953.90 is: 47,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,125.18 : 67,613.79 = 31,953.90 : x
  2. Step 2: Convert to fraction form
    45,125.18/67,613.79 = 31,953.90/x
  3. Step 3: Cross multiply
    45,125.18x = 67,613.79 × 31,953.90
  4. Step 4: Simplify right side
    45,125.18x = 2,160,524,284.28
  5. Step 5: Solve for x
    x = 2,160,524,284.28/45,125.18
  6. Step 6: Final answer
    x = 47,878.46

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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.