Home / 57,306.88-79,081.44-31,814.35

Finding the Fourth Proportional to 57,306.88, 79,081.44 and 31,814.35

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Solution

The fourth proportional to 57,306.88, 79,081.44 and 31,814.35 is: 43,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,306.88 : 79,081.44 = 31,814.35 : x
  2. Step 2: Convert to fraction form
    57,306.88/79,081.44 = 31,814.35/x
  3. Step 3: Cross multiply
    57,306.88x = 79,081.44 × 31,814.35
  4. Step 4: Simplify right side
    57,306.88x = 2,515,924,610.66
  5. Step 5: Solve for x
    x = 2,515,924,610.66/57,306.88
  6. Step 6: Final answer
    x = 43,902.66

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1.5x scale

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.