Home / 40,397.28-55,751.76-23,635.68

Finding the Fourth Proportional to 40,397.28, 55,751.76 and 23,635.68

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Solution

The fourth proportional to 40,397.28, 55,751.76 and 23,635.68 is: 32,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,397.28 : 55,751.76 = 23,635.68 : x
  2. Step 2: Convert to fraction form
    40,397.28/55,751.76 = 23,635.68/x
  3. Step 3: Cross multiply
    40,397.28x = 55,751.76 × 23,635.68
  4. Step 4: Simplify right side
    40,397.28x = 1,317,730,758.80
  5. Step 5: Solve for x
    x = 1,317,730,758.80/40,397.28
  6. Step 6: Final answer
    x = 32,619.29

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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.