Home / 39,363.59-54,319.02-22,138.52

Finding the Fourth Proportional to 39,363.59, 54,319.02 and 22,138.52

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Solution

The fourth proportional to 39,363.59, 54,319.02 and 22,138.52 is: 30,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,363.59 : 54,319.02 = 22,138.52 : x
  2. Step 2: Convert to fraction form
    39,363.59/54,319.02 = 22,138.52/x
  3. Step 3: Cross multiply
    39,363.59x = 54,319.02 × 22,138.52
  4. Step 4: Simplify right side
    39,363.59x = 1,202,542,439.06
  5. Step 5: Solve for x
    x = 1,202,542,439.06/39,363.59
  6. Step 6: Final answer
    x = 30,549.62

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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.