Home / 48,288.85-72,422.20-13,231.24

Finding the Fourth Proportional to 48,288.85, 72,422.20 and 13,231.24

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Solution

The fourth proportional to 48,288.85, 72,422.20 and 13,231.24 is: 19,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,288.85 : 72,422.20 = 13,231.24 : x
  2. Step 2: Convert to fraction form
    48,288.85/72,422.20 = 13,231.24/x
  3. Step 3: Cross multiply
    48,288.85x = 72,422.20 × 13,231.24
  4. Step 4: Simplify right side
    48,288.85x = 958,235,509.53
  5. Step 5: Solve for x
    x = 958,235,509.53/48,288.85
  6. Step 6: Final answer
    x = 19,843.83

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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.