Home / 40,542.20-55,947.72-22,637.52

Finding the Fourth Proportional to 40,542.20, 55,947.72 and 22,637.52

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Solution

The fourth proportional to 40,542.20, 55,947.72 and 22,637.52 is: 31,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,542.20 : 55,947.72 = 22,637.52 : x
  2. Step 2: Convert to fraction form
    40,542.20/55,947.72 = 22,637.52/x
  3. Step 3: Cross multiply
    40,542.20x = 55,947.72 × 22,637.52
  4. Step 4: Simplify right side
    40,542.20x = 1,266,517,630.45
  5. Step 5: Solve for x
    x = 1,266,517,630.45/40,542.20
  6. Step 6: Final answer
    x = 31,239.49

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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.