Home / 39,380.45-54,346.46-22,387.56

Finding the Fourth Proportional to 39,380.45, 54,346.46 and 22,387.56

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Solution

The fourth proportional to 39,380.45, 54,346.46 and 22,387.56 is: 30,895.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,380.45 : 54,346.46 = 22,387.56 : x
  2. Step 2: Convert to fraction form
    39,380.45/54,346.46 = 22,387.56/x
  3. Step 3: Cross multiply
    39,380.45x = 54,346.46 × 22,387.56
  4. Step 4: Simplify right side
    39,380.45x = 1,216,684,522.10
  5. Step 5: Solve for x
    x = 1,216,684,522.10/39,380.45
  6. Step 6: Final answer
    x = 30,895.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.