Home / 40,243.32-55,555.76-25,144.36

Finding the Fourth Proportional to 40,243.32, 55,555.76 and 25,144.36

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Solution

The fourth proportional to 40,243.32, 55,555.76 and 25,144.36 is: 34,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,243.32 : 55,555.76 = 25,144.36 : x
  2. Step 2: Convert to fraction form
    40,243.32/55,555.76 = 25,144.36/x
  3. Step 3: Cross multiply
    40,243.32x = 55,555.76 × 25,144.36
  4. Step 4: Simplify right side
    40,243.32x = 1,396,914,029.51
  5. Step 5: Solve for x
    x = 1,396,914,029.51/40,243.32
  6. Step 6: Final answer
    x = 34,711.70

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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.