Home / 22,845.43-34,173.38-21,445.75

Finding the Fourth Proportional to 22,845.43, 34,173.38 and 21,445.75

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Solution

The fourth proportional to 22,845.43, 34,173.38 and 21,445.75 is: 32,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,845.43 : 34,173.38 = 21,445.75 : x
  2. Step 2: Convert to fraction form
    22,845.43/34,173.38 = 21,445.75/x
  3. Step 3: Cross multiply
    22,845.43x = 34,173.38 × 21,445.75
  4. Step 4: Simplify right side
    22,845.43x = 732,873,656.91
  5. Step 5: Solve for x
    x = 732,873,656.91/22,845.43
  6. Step 6: Final answer
    x = 32,079.66

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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.