Home / 29,016.43-40,060.15-18,961.70

Finding the Fourth Proportional to 29,016.43, 40,060.15 and 18,961.70

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Solution

The fourth proportional to 29,016.43, 40,060.15 and 18,961.70 is: 26,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,016.43 : 40,060.15 = 18,961.70 : x
  2. Step 2: Convert to fraction form
    29,016.43/40,060.15 = 18,961.70/x
  3. Step 3: Cross multiply
    29,016.43x = 40,060.15 × 18,961.70
  4. Step 4: Simplify right side
    29,016.43x = 759,608,546.26
  5. Step 5: Solve for x
    x = 759,608,546.26/29,016.43
  6. Step 6: Final answer
    x = 26,178.57

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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.