Home / 55,681.43-76,839.44-31,482

Finding the Fourth Proportional to 55,681.43, 76,839.44 and 31,482

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Solution

The fourth proportional to 55,681.43, 76,839.44 and 31,482 is: 43,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,681.43 : 76,839.44 = 31,482 : x
  2. Step 2: Convert to fraction form
    55,681.43/76,839.44 = 31,482/x
  3. Step 3: Cross multiply
    55,681.43x = 76,839.44 × 31,482
  4. Step 4: Simplify right side
    55,681.43x = 2,419,059,092.67
  5. Step 5: Solve for x
    x = 2,419,059,092.67/55,681.43
  6. Step 6: Final answer
    x = 43,444.63

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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.