Home / 57,025.16-78,693.18-31,879.52

Finding the Fourth Proportional to 57,025.16, 78,693.18 and 31,879.52

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Solution

The fourth proportional to 57,025.16, 78,693.18 and 31,879.52 is: 43,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,025.16 : 78,693.18 = 31,879.52 : x
  2. Step 2: Convert to fraction form
    57,025.16/78,693.18 = 31,879.52/x
  3. Step 3: Cross multiply
    57,025.16x = 78,693.18 × 31,879.52
  4. Step 4: Simplify right side
    57,025.16x = 2,508,700,805.67
  5. Step 5: Solve for x
    x = 2,508,700,805.67/57,025.16
  6. Step 6: Final answer
    x = 43,992.88

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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.