Home / 24,209.20-36,216.60-20,958.40

Finding the Fourth Proportional to 24,209.20, 36,216.60 and 20,958.40

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Solution

The fourth proportional to 24,209.20, 36,216.60 and 20,958.40 is: 31,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,209.20 : 36,216.60 = 20,958.40 : x
  2. Step 2: Convert to fraction form
    24,209.20/36,216.60 = 20,958.40/x
  3. Step 3: Cross multiply
    24,209.20x = 36,216.60 × 20,958.40
  4. Step 4: Simplify right side
    24,209.20x = 759,041,989.44
  5. Step 5: Solve for x
    x = 759,041,989.44/24,209.20
  6. Step 6: Final answer
    x = 31,353.45

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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.