Home / 57,335.12-79,125.09-31,841.59

Finding the Fourth Proportional to 57,335.12, 79,125.09 and 31,841.59

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Solution

The fourth proportional to 57,335.12, 79,125.09 and 31,841.59 is: 43,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,335.12 : 79,125.09 = 31,841.59 : x
  2. Step 2: Convert to fraction form
    57,335.12/79,125.09 = 31,841.59/x
  3. Step 3: Cross multiply
    57,335.12x = 79,125.09 × 31,841.59
  4. Step 4: Simplify right side
    57,335.12x = 2,519,468,873.03
  5. Step 5: Solve for x
    x = 2,519,468,873.03/57,335.12
  6. Step 6: Final answer
    x = 43,942.86

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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.