Home / 54,218.20-81,327.30-37,629.40

Finding the Fourth Proportional to 54,218.20, 81,327.30 and 37,629.40

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Solution

The fourth proportional to 54,218.20, 81,327.30 and 37,629.40 is: 56,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,218.20 : 81,327.30 = 37,629.40 : x
  2. Step 2: Convert to fraction form
    54,218.20/81,327.30 = 37,629.40/x
  3. Step 3: Cross multiply
    54,218.20x = 81,327.30 × 37,629.40
  4. Step 4: Simplify right side
    54,218.20x = 3,060,297,502.62
  5. Step 5: Solve for x
    x = 3,060,297,502.62/54,218.20
  6. Step 6: Final answer
    x = 56,444.10

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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.