Home / 40,167.76-55,432.72-22,261.08

Finding the Fourth Proportional to 40,167.76, 55,432.72 and 22,261.08

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Solution

The fourth proportional to 40,167.76, 55,432.72 and 22,261.08 is: 30,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.76 : 55,432.72 = 22,261.08 : x
  2. Step 2: Convert to fraction form
    40,167.76/55,432.72 = 22,261.08/x
  3. Step 3: Cross multiply
    40,167.76x = 55,432.72 × 22,261.08
  4. Step 4: Simplify right side
    40,167.76x = 1,233,992,214.54
  5. Step 5: Solve for x
    x = 1,233,992,214.54/40,167.76
  6. Step 6: Final answer
    x = 30,720.96

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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.