Home / 55,575.56-76,687.13-31,700.81

Finding the Fourth Proportional to 55,575.56, 76,687.13 and 31,700.81

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Solution

The fourth proportional to 55,575.56, 76,687.13 and 31,700.81 is: 43,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,575.56 : 76,687.13 = 31,700.81 : x
  2. Step 2: Convert to fraction form
    55,575.56/76,687.13 = 31,700.81/x
  3. Step 3: Cross multiply
    55,575.56x = 76,687.13 × 31,700.81
  4. Step 4: Simplify right side
    55,575.56x = 2,431,044,170.79
  5. Step 5: Solve for x
    x = 2,431,044,170.79/55,575.56
  6. Step 6: Final answer
    x = 43,743.04

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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.