Home / 48,453.20-72,622.20-20,373.20

Finding the Fourth Proportional to 48,453.20, 72,622.20 and 20,373.20

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Solution

The fourth proportional to 48,453.20, 72,622.20 and 20,373.20 is: 30,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,453.20 : 72,622.20 = 20,373.20 : x
  2. Step 2: Convert to fraction form
    48,453.20/72,622.20 = 20,373.20/x
  3. Step 3: Cross multiply
    48,453.20x = 72,622.20 × 20,373.20
  4. Step 4: Simplify right side
    48,453.20x = 1,479,546,605.04
  5. Step 5: Solve for x
    x = 1,479,546,605.04/48,453.20
  6. Step 6: Final answer
    x = 30,535.58

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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.