Home / 41,981.16-57,940.30-31,893

Finding the Fourth Proportional to 41,981.16, 57,940.30 and 31,893

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Solution

The fourth proportional to 41,981.16, 57,940.30 and 31,893 is: 44,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,981.16 : 57,940.30 = 31,893 : x
  2. Step 2: Convert to fraction form
    41,981.16/57,940.30 = 31,893/x
  3. Step 3: Cross multiply
    41,981.16x = 57,940.30 × 31,893
  4. Step 4: Simplify right side
    41,981.16x = 1,847,889,987.90
  5. Step 5: Solve for x
    x = 1,847,889,987.90/41,981.16
  6. Step 6: Final answer
    x = 44,017.13

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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.