Home / 54,454.13-81,604.58-43,311.36

Finding the Fourth Proportional to 54,454.13, 81,604.58 and 43,311.36

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Solution

The fourth proportional to 54,454.13, 81,604.58 and 43,311.36 is: 64,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,454.13 : 81,604.58 = 43,311.36 : x
  2. Step 2: Convert to fraction form
    54,454.13/81,604.58 = 43,311.36/x
  3. Step 3: Cross multiply
    54,454.13x = 81,604.58 × 43,311.36
  4. Step 4: Simplify right side
    54,454.13x = 3,534,405,125.47
  5. Step 5: Solve for x
    x = 3,534,405,125.47/54,454.13
  6. Step 6: Final answer
    x = 64,906.10

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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.