Home / 29,207.80-40,310.50-19,144.76

Finding the Fourth Proportional to 29,207.80, 40,310.50 and 19,144.76

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Solution

The fourth proportional to 29,207.80, 40,310.50 and 19,144.76 is: 26,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,207.80 : 40,310.50 = 19,144.76 : x
  2. Step 2: Convert to fraction form
    29,207.80/40,310.50 = 19,144.76/x
  3. Step 3: Cross multiply
    29,207.80x = 40,310.50 × 19,144.76
  4. Step 4: Simplify right side
    29,207.80x = 771,734,847.98
  5. Step 5: Solve for x
    x = 771,734,847.98/29,207.80
  6. Step 6: Final answer
    x = 26,422.22

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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.