Home / 57,330-79,116.12-31,837.95

Finding the Fourth Proportional to 57,330, 79,116.12 and 31,837.95

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Solution

The fourth proportional to 57,330, 79,116.12 and 31,837.95 is: 43,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,330 : 79,116.12 = 31,837.95 : x
  2. Step 2: Convert to fraction form
    57,330/79,116.12 = 31,837.95/x
  3. Step 3: Cross multiply
    57,330x = 79,116.12 × 31,837.95
  4. Step 4: Simplify right side
    57,330x = 2,518,895,072.75
  5. Step 5: Solve for x
    x = 2,518,895,072.75/57,330
  6. Step 6: Final answer
    x = 43,936.77

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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.