Home / 54,266.85-81,400.28-30,550.05

Finding the Fourth Proportional to 54,266.85, 81,400.28 and 30,550.05

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Solution

The fourth proportional to 54,266.85, 81,400.28 and 30,550.05 is: 45,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,266.85 : 81,400.28 = 30,550.05 : x
  2. Step 2: Convert to fraction form
    54,266.85/81,400.28 = 30,550.05/x
  3. Step 3: Cross multiply
    54,266.85x = 81,400.28 × 30,550.05
  4. Step 4: Simplify right side
    54,266.85x = 2,486,782,471.26
  5. Step 5: Solve for x
    x = 2,486,782,471.26/54,266.85
  6. Step 6: Final answer
    x = 45,825.08

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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.