Home / 44,478-61,394.22-31,939.20

Finding the Fourth Proportional to 44,478, 61,394.22 and 31,939.20

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Solution

The fourth proportional to 44,478, 61,394.22 and 31,939.20 is: 44,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,478 : 61,394.22 = 31,939.20 : x
  2. Step 2: Convert to fraction form
    44,478/61,394.22 = 31,939.20/x
  3. Step 3: Cross multiply
    44,478x = 61,394.22 × 31,939.20
  4. Step 4: Simplify right side
    44,478x = 1,960,882,271.42
  5. Step 5: Solve for x
    x = 1,960,882,271.42/44,478
  6. Step 6: Final answer
    x = 44,086.57

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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.