Home / 40,542.80-55,950.18-22,637.12

Finding the Fourth Proportional to 40,542.80, 55,950.18 and 22,637.12

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Solution

The fourth proportional to 40,542.80, 55,950.18 and 22,637.12 is: 31,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,542.80 : 55,950.18 = 22,637.12 : x
  2. Step 2: Convert to fraction form
    40,542.80/55,950.18 = 22,637.12/x
  3. Step 3: Cross multiply
    40,542.80x = 55,950.18 × 22,637.12
  4. Step 4: Simplify right side
    40,542.80x = 1,266,550,938.68
  5. Step 5: Solve for x
    x = 1,266,550,938.68/40,542.80
  6. Step 6: Final answer
    x = 31,239.85

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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.