Home / 54,218.70-81,327.60-14,775.75

Finding the Fourth Proportional to 54,218.70, 81,327.60 and 14,775.75

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Solution

The fourth proportional to 54,218.70, 81,327.60 and 14,775.75 is: 22,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,218.70 : 81,327.60 = 14,775.75 : x
  2. Step 2: Convert to fraction form
    54,218.70/81,327.60 = 14,775.75/x
  3. Step 3: Cross multiply
    54,218.70x = 81,327.60 × 14,775.75
  4. Step 4: Simplify right side
    54,218.70x = 1,201,676,285.70
  5. Step 5: Solve for x
    x = 1,201,676,285.70/54,218.70
  6. Step 6: Final answer
    x = 22,163.50

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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.