Home / 40,448.13-60,675.26-13,785.83

Finding the Fourth Proportional to 40,448.13, 60,675.26 and 13,785.83

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Solution

The fourth proportional to 40,448.13, 60,675.26 and 13,785.83 is: 20,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,448.13 : 60,675.26 = 13,785.83 : x
  2. Step 2: Convert to fraction form
    40,448.13/60,675.26 = 13,785.83/x
  3. Step 3: Cross multiply
    40,448.13x = 60,675.26 × 13,785.83
  4. Step 4: Simplify right side
    40,448.13x = 836,458,819.57
  5. Step 5: Solve for x
    x = 836,458,819.57/40,448.13
  6. Step 6: Final answer
    x = 20,679.79

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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.