Home / 54,548.12-81,822.18-15,105.22

Finding the Fourth Proportional to 54,548.12, 81,822.18 and 15,105.22

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Solution

The fourth proportional to 54,548.12, 81,822.18 and 15,105.22 is: 22,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,548.12 : 81,822.18 = 15,105.22 : x
  2. Step 2: Convert to fraction form
    54,548.12/81,822.18 = 15,105.22/x
  3. Step 3: Cross multiply
    54,548.12x = 81,822.18 × 15,105.22
  4. Step 4: Simplify right side
    54,548.12x = 1,235,941,620.67
  5. Step 5: Solve for x
    x = 1,235,941,620.67/54,548.12
  6. Step 6: Final answer
    x = 22,657.82

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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.