Home / 29,108.13-40,168.68-16,188.20

Finding the Fourth Proportional to 29,108.13, 40,168.68 and 16,188.20

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Solution

The fourth proportional to 29,108.13, 40,168.68 and 16,188.20 is: 22,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.13 : 40,168.68 = 16,188.20 : x
  2. Step 2: Convert to fraction form
    29,108.13/40,168.68 = 16,188.20/x
  3. Step 3: Cross multiply
    29,108.13x = 40,168.68 × 16,188.20
  4. Step 4: Simplify right side
    29,108.13x = 650,258,625.58
  5. Step 5: Solve for x
    x = 650,258,625.58/29,108.13
  6. Step 6: Final answer
    x = 22,339.42

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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.