Home / 40,239.06-55,549.89-25,140.11

Finding the Fourth Proportional to 40,239.06, 55,549.89 and 25,140.11

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Solution

The fourth proportional to 40,239.06, 55,549.89 and 25,140.11 is: 34,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,239.06 : 55,549.89 = 25,140.11 : x
  2. Step 2: Convert to fraction form
    40,239.06/55,549.89 = 25,140.11/x
  3. Step 3: Cross multiply
    40,239.06x = 55,549.89 × 25,140.11
  4. Step 4: Simplify right side
    40,239.06x = 1,396,530,067.34
  5. Step 5: Solve for x
    x = 1,396,530,067.34/40,239.06
  6. Step 6: Final answer
    x = 34,705.83

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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.