Home / 54,400.14-81,441.72-40,422.15

Finding the Fourth Proportional to 54,400.14, 81,441.72 and 40,422.15

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Solution

The fourth proportional to 54,400.14, 81,441.72 and 40,422.15 is: 60,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,400.14 : 81,441.72 = 40,422.15 : x
  2. Step 2: Convert to fraction form
    54,400.14/81,441.72 = 40,422.15/x
  3. Step 3: Cross multiply
    54,400.14x = 81,441.72 × 40,422.15
  4. Step 4: Simplify right side
    54,400.14x = 3,292,049,422.10
  5. Step 5: Solve for x
    x = 3,292,049,422.10/54,400.14
  6. Step 6: Final answer
    x = 60,515.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.