Home / 40,278.47-55,604.49-25,179.53

Finding the Fourth Proportional to 40,278.47, 55,604.49 and 25,179.53

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Solution

The fourth proportional to 40,278.47, 55,604.49 and 25,179.53 is: 34,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.47 : 55,604.49 = 25,179.53 : x
  2. Step 2: Convert to fraction form
    40,278.47/55,604.49 = 25,179.53/x
  3. Step 3: Cross multiply
    40,278.47x = 55,604.49 × 25,179.53
  4. Step 4: Simplify right side
    40,278.47x = 1,400,094,924.09
  5. Step 5: Solve for x
    x = 1,400,094,924.09/40,278.47
  6. Step 6: Final answer
    x = 34,760.38

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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.