Home / 40,064.28-55,238.47-25,698.79

Finding the Fourth Proportional to 40,064.28, 55,238.47 and 25,698.79

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Solution

The fourth proportional to 40,064.28, 55,238.47 and 25,698.79 is: 35,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.28 : 55,238.47 = 25,698.79 : x
  2. Step 2: Convert to fraction form
    40,064.28/55,238.47 = 25,698.79/x
  3. Step 3: Cross multiply
    40,064.28x = 55,238.47 × 25,698.79
  4. Step 4: Simplify right side
    40,064.28x = 1,419,561,840.45
  5. Step 5: Solve for x
    x = 1,419,561,840.45/40,064.28
  6. Step 6: Final answer
    x = 35,432.11

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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.