Home / 29,531.20-40,751.56-16,102.35

Finding the Fourth Proportional to 29,531.20, 40,751.56 and 16,102.35

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Solution

The fourth proportional to 29,531.20, 40,751.56 and 16,102.35 is: 22,220.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.20 : 40,751.56 = 16,102.35 : x
  2. Step 2: Convert to fraction form
    29,531.20/40,751.56 = 16,102.35/x
  3. Step 3: Cross multiply
    29,531.20x = 40,751.56 × 16,102.35
  4. Step 4: Simplify right side
    29,531.20x = 656,195,638.15
  5. Step 5: Solve for x
    x = 656,195,638.15/29,531.20
  6. Step 6: Final answer
    x = 22,220.42

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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.