Home / 40,543.28-55,949.76-22,638.26

Finding the Fourth Proportional to 40,543.28, 55,949.76 and 22,638.26

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Solution

The fourth proportional to 40,543.28, 55,949.76 and 22,638.26 is: 31,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,543.28 : 55,949.76 = 22,638.26 : x
  2. Step 2: Convert to fraction form
    40,543.28/55,949.76 = 22,638.26/x
  3. Step 3: Cross multiply
    40,543.28x = 55,949.76 × 22,638.26
  4. Step 4: Simplify right side
    40,543.28x = 1,266,605,213.82
  5. Step 5: Solve for x
    x = 1,266,605,213.82/40,543.28
  6. Step 6: Final answer
    x = 31,240.82

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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.