Home / 49,416.92-68,127.56-31,258.61

Finding the Fourth Proportional to 49,416.92, 68,127.56 and 31,258.61

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Solution

The fourth proportional to 49,416.92, 68,127.56 and 31,258.61 is: 43,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,416.92 : 68,127.56 = 31,258.61 : x
  2. Step 2: Convert to fraction form
    49,416.92/68,127.56 = 31,258.61/x
  3. Step 3: Cross multiply
    49,416.92x = 68,127.56 × 31,258.61
  4. Step 4: Simplify right side
    49,416.92x = 2,129,572,879.89
  5. Step 5: Solve for x
    x = 2,129,572,879.89/49,416.92
  6. Step 6: Final answer
    x = 43,094.00

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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.