Home / 57,357.69-79,150.92-31,865.70

Finding the Fourth Proportional to 57,357.69, 79,150.92 and 31,865.70

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Solution

The fourth proportional to 57,357.69, 79,150.92 and 31,865.70 is: 43,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,357.69 : 79,150.92 = 31,865.70 : x
  2. Step 2: Convert to fraction form
    57,357.69/79,150.92 = 31,865.70/x
  3. Step 3: Cross multiply
    57,357.69x = 79,150.92 × 31,865.70
  4. Step 4: Simplify right side
    57,357.69x = 2,522,199,471.44
  5. Step 5: Solve for x
    x = 2,522,199,471.44/57,357.69
  6. Step 6: Final answer
    x = 43,973.17

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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.