Home / 55,266.38-76,264.89-31,389.92

Finding the Fourth Proportional to 55,266.38, 76,264.89 and 31,389.92

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Solution

The fourth proportional to 55,266.38, 76,264.89 and 31,389.92 is: 43,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,266.38 : 76,264.89 = 31,389.92 : x
  2. Step 2: Convert to fraction form
    55,266.38/76,264.89 = 31,389.92/x
  3. Step 3: Cross multiply
    55,266.38x = 76,264.89 × 31,389.92
  4. Step 4: Simplify right side
    55,266.38x = 2,393,948,795.91
  5. Step 5: Solve for x
    x = 2,393,948,795.91/55,266.38
  6. Step 6: Final answer
    x = 43,316.55

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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.