Home / 39,439.60-54,428.02-22,446.41

Finding the Fourth Proportional to 39,439.60, 54,428.02 and 22,446.41

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Solution

The fourth proportional to 39,439.60, 54,428.02 and 22,446.41 is: 30,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.60 : 54,428.02 = 22,446.41 : x
  2. Step 2: Convert to fraction form
    39,439.60/54,428.02 = 22,446.41/x
  3. Step 3: Cross multiply
    39,439.60x = 54,428.02 × 22,446.41
  4. Step 4: Simplify right side
    39,439.60x = 1,221,713,324.15
  5. Step 5: Solve for x
    x = 1,221,713,324.15/39,439.60
  6. Step 6: Final answer
    x = 30,976.82

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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.