Home / 40,657.39-61,021.11-28,186.17

Finding the Fourth Proportional to 40,657.39, 61,021.11 and 28,186.17

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Solution

The fourth proportional to 40,657.39, 61,021.11 and 28,186.17 is: 42,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,657.39 : 61,021.11 = 28,186.17 : x
  2. Step 2: Convert to fraction form
    40,657.39/61,021.11 = 28,186.17/x
  3. Step 3: Cross multiply
    40,657.39x = 61,021.11 × 28,186.17
  4. Step 4: Simplify right side
    40,657.39x = 1,719,951,380.05
  5. Step 5: Solve for x
    x = 1,719,951,380.05/40,657.39
  6. Step 6: Final answer
    x = 42,303.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.