Home / 40,217.50-55,500.20-23,453.74

Finding the Fourth Proportional to 40,217.50, 55,500.20 and 23,453.74

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Solution

The fourth proportional to 40,217.50, 55,500.20 and 23,453.74 is: 32,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.50 : 55,500.20 = 23,453.74 : x
  2. Step 2: Convert to fraction form
    40,217.50/55,500.20 = 23,453.74/x
  3. Step 3: Cross multiply
    40,217.50x = 55,500.20 × 23,453.74
  4. Step 4: Simplify right side
    40,217.50x = 1,301,687,143.48
  5. Step 5: Solve for x
    x = 1,301,687,143.48/40,217.50
  6. Step 6: Final answer
    x = 32,366.19

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Half scale
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Double scale
Find fourth proportional to 40,218.50, 55,501.58 and 23,454.74
Similar ratio
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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.