Home / 54,158.40-81,237.60-33,163.20

Finding the Fourth Proportional to 54,158.40, 81,237.60 and 33,163.20

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Solution

The fourth proportional to 54,158.40, 81,237.60 and 33,163.20 is: 49,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,158.40 : 81,237.60 = 33,163.20 : x
  2. Step 2: Convert to fraction form
    54,158.40/81,237.60 = 33,163.20/x
  3. Step 3: Cross multiply
    54,158.40x = 81,237.60 × 33,163.20
  4. Step 4: Simplify right side
    54,158.40x = 2,694,098,776.32
  5. Step 5: Solve for x
    x = 2,694,098,776.32/54,158.40
  6. Step 6: Final answer
    x = 49,744.80

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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.