Home / 54,337.20-81,520.20-19,273.20

Finding the Fourth Proportional to 54,337.20, 81,520.20 and 19,273.20

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Solution

The fourth proportional to 54,337.20, 81,520.20 and 19,273.20 is: 28,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.20 : 81,520.20 = 19,273.20 : x
  2. Step 2: Convert to fraction form
    54,337.20/81,520.20 = 19,273.20/x
  3. Step 3: Cross multiply
    54,337.20x = 81,520.20 × 19,273.20
  4. Step 4: Simplify right side
    54,337.20x = 1,571,155,118.64
  5. Step 5: Solve for x
    x = 1,571,155,118.64/54,337.20
  6. Step 6: Final answer
    x = 28,914.91

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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.