Home / 29,105.13-40,164.54-16,185.20

Finding the Fourth Proportional to 29,105.13, 40,164.54 and 16,185.20

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Solution

The fourth proportional to 29,105.13, 40,164.54 and 16,185.20 is: 22,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.13 : 40,164.54 = 16,185.20 : x
  2. Step 2: Convert to fraction form
    29,105.13/40,164.54 = 16,185.20/x
  3. Step 3: Cross multiply
    29,105.13x = 40,164.54 × 16,185.20
  4. Step 4: Simplify right side
    29,105.13x = 650,071,112.81
  5. Step 5: Solve for x
    x = 650,071,112.81/29,105.13
  6. Step 6: Final answer
    x = 22,335.28

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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.