Home / 40,386.68-60,593.60-20,659.92

Finding the Fourth Proportional to 40,386.68, 60,593.60 and 20,659.92

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Solution

The fourth proportional to 40,386.68, 60,593.60 and 20,659.92 is: 30,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.68 : 60,593.60 = 20,659.92 : x
  2. Step 2: Convert to fraction form
    40,386.68/60,593.60 = 20,659.92/x
  3. Step 3: Cross multiply
    40,386.68x = 60,593.60 × 20,659.92
  4. Step 4: Simplify right side
    40,386.68x = 1,251,858,928.51
  5. Step 5: Solve for x
    x = 1,251,858,928.51/40,386.68
  6. Step 6: Final answer
    x = 30,996.83

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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.