Home / 40,341.33-55,655.75-25,020.78

Finding the Fourth Proportional to 40,341.33, 55,655.75 and 25,020.78

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Solution

The fourth proportional to 40,341.33, 55,655.75 and 25,020.78 is: 34,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,341.33 : 55,655.75 = 25,020.78 : x
  2. Step 2: Convert to fraction form
    40,341.33/55,655.75 = 25,020.78/x
  3. Step 3: Cross multiply
    40,341.33x = 55,655.75 × 25,020.78
  4. Step 4: Simplify right side
    40,341.33x = 1,392,550,151.38
  5. Step 5: Solve for x
    x = 1,392,550,151.38/40,341.33
  6. Step 6: Final answer
    x = 34,519.19

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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.