Home / 57,318.48-79,099.80-31,825.76

Finding the Fourth Proportional to 57,318.48, 79,099.80 and 31,825.76

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Solution

The fourth proportional to 57,318.48, 79,099.80 and 31,825.76 is: 43,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,318.48 : 79,099.80 = 31,825.76 : x
  2. Step 2: Convert to fraction form
    57,318.48/79,099.80 = 31,825.76/x
  3. Step 3: Cross multiply
    57,318.48x = 79,099.80 × 31,825.76
  4. Step 4: Simplify right side
    57,318.48x = 2,517,411,250.85
  5. Step 5: Solve for x
    x = 2,517,411,250.85/57,318.48
  6. Step 6: Final answer
    x = 43,919.71

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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.