Home / 48,105.68-72,157.08-21,791.12

Finding the Fourth Proportional to 48,105.68, 72,157.08 and 21,791.12

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Solution

The fourth proportional to 48,105.68, 72,157.08 and 21,791.12 is: 32,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,105.68 : 72,157.08 = 21,791.12 : x
  2. Step 2: Convert to fraction form
    48,105.68/72,157.08 = 21,791.12/x
  3. Step 3: Cross multiply
    48,105.68x = 72,157.08 × 21,791.12
  4. Step 4: Simplify right side
    48,105.68x = 1,572,383,589.13
  5. Step 5: Solve for x
    x = 1,572,383,589.13/48,105.68
  6. Step 6: Final answer
    x = 32,686.03

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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.