Home / 40,038.39-55,250.96-22,132.89

Finding the Fourth Proportional to 40,038.39, 55,250.96 and 22,132.89

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Solution

The fourth proportional to 40,038.39, 55,250.96 and 22,132.89 is: 30,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,038.39 : 55,250.96 = 22,132.89 : x
  2. Step 2: Convert to fraction form
    40,038.39/55,250.96 = 22,132.89/x
  3. Step 3: Cross multiply
    40,038.39x = 55,250.96 × 22,132.89
  4. Step 4: Simplify right side
    40,038.39x = 1,222,863,309.41
  5. Step 5: Solve for x
    x = 1,222,863,309.41/40,038.39
  6. Step 6: Final answer
    x = 30,542.27

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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.