Home / 54,542.80-81,813.90-15,099.64

Finding the Fourth Proportional to 54,542.80, 81,813.90 and 15,099.64

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Solution

The fourth proportional to 54,542.80, 81,813.90 and 15,099.64 is: 22,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542.80 : 81,813.90 = 15,099.64 : x
  2. Step 2: Convert to fraction form
    54,542.80/81,813.90 = 15,099.64/x
  3. Step 3: Cross multiply
    54,542.80x = 81,813.90 × 15,099.64
  4. Step 4: Simplify right side
    54,542.80x = 1,235,360,437.00
  5. Step 5: Solve for x
    x = 1,235,360,437.00/54,542.80
  6. Step 6: Final answer
    x = 22,649.38

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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.