Home / 40,520.32-55,923.84-29,219.20

Finding the Fourth Proportional to 40,520.32, 55,923.84 and 29,219.20

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Solution

The fourth proportional to 40,520.32, 55,923.84 and 29,219.20 is: 40,326.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,520.32 : 55,923.84 = 29,219.20 : x
  2. Step 2: Convert to fraction form
    40,520.32/55,923.84 = 29,219.20/x
  3. Step 3: Cross multiply
    40,520.32x = 55,923.84 × 29,219.20
  4. Step 4: Simplify right side
    40,520.32x = 1,634,049,865.73
  5. Step 5: Solve for x
    x = 1,634,049,865.73/40,520.32
  6. Step 6: Final answer
    x = 40,326.68

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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.