Home / 57,069.96-78,758.86-31,575.91

Finding the Fourth Proportional to 57,069.96, 78,758.86 and 31,575.91

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Solution

The fourth proportional to 57,069.96, 78,758.86 and 31,575.91 is: 43,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069.96 : 78,758.86 = 31,575.91 : x
  2. Step 2: Convert to fraction form
    57,069.96/78,758.86 = 31,575.91/x
  3. Step 3: Cross multiply
    57,069.96x = 78,758.86 × 31,575.91
  4. Step 4: Simplify right side
    57,069.96x = 2,486,882,606.10
  5. Step 5: Solve for x
    x = 2,486,882,606.10/57,069.96
  6. Step 6: Final answer
    x = 43,576.04

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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.