Home / 49,390.92-68,131.68-31,236.06

Finding the Fourth Proportional to 49,390.92, 68,131.68 and 31,236.06

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Solution

The fourth proportional to 49,390.92, 68,131.68 and 31,236.06 is: 43,088.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,390.92 : 68,131.68 = 31,236.06 : x
  2. Step 2: Convert to fraction form
    49,390.92/68,131.68 = 31,236.06/x
  3. Step 3: Cross multiply
    49,390.92x = 68,131.68 × 31,236.06
  4. Step 4: Simplify right side
    49,390.92x = 2,128,165,244.38
  5. Step 5: Solve for x
    x = 2,128,165,244.38/49,390.92
  6. Step 6: Final answer
    x = 43,088.19

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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.