Home / 40,022.15-55,189.08-34,375.55

Finding the Fourth Proportional to 40,022.15, 55,189.08 and 34,375.55

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Solution

The fourth proportional to 40,022.15, 55,189.08 and 34,375.55 is: 47,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022.15 : 55,189.08 = 34,375.55 : x
  2. Step 2: Convert to fraction form
    40,022.15/55,189.08 = 34,375.55/x
  3. Step 3: Cross multiply
    40,022.15x = 55,189.08 × 34,375.55
  4. Step 4: Simplify right side
    40,022.15x = 1,897,154,703.05
  5. Step 5: Solve for x
    x = 1,897,154,703.05/40,022.15
  6. Step 6: Final answer
    x = 47,402.62

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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.