Home / 31,720.32-43,771.20-17,569.44

Finding the Fourth Proportional to 31,720.32, 43,771.20 and 17,569.44

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Solution

The fourth proportional to 31,720.32, 43,771.20 and 17,569.44 is: 24,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,720.32 : 43,771.20 = 17,569.44 : x
  2. Step 2: Convert to fraction form
    31,720.32/43,771.20 = 17,569.44/x
  3. Step 3: Cross multiply
    31,720.32x = 43,771.20 × 17,569.44
  4. Step 4: Simplify right side
    31,720.32x = 769,035,472.13
  5. Step 5: Solve for x
    x = 769,035,472.13/31,720.32
  6. Step 6: Final answer
    x = 24,244.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.