Home / 41,345.39-61,831.20-31,856.54

Finding the Fourth Proportional to 41,345.39, 61,831.20 and 31,856.54

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Solution

The fourth proportional to 41,345.39, 61,831.20 and 31,856.54 is: 47,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,345.39 : 61,831.20 = 31,856.54 : x
  2. Step 2: Convert to fraction form
    41,345.39/61,831.20 = 31,856.54/x
  3. Step 3: Cross multiply
    41,345.39x = 61,831.20 × 31,856.54
  4. Step 4: Simplify right side
    41,345.39x = 1,969,728,074.96
  5. Step 5: Solve for x
    x = 1,969,728,074.96/41,345.39
  6. Step 6: Final answer
    x = 47,640.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.