Home / 29,609.32-40,878.66-18,446.44

Finding the Fourth Proportional to 29,609.32, 40,878.66 and 18,446.44

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Solution

The fourth proportional to 29,609.32, 40,878.66 and 18,446.44 is: 25,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,609.32 : 40,878.66 = 18,446.44 : x
  2. Step 2: Convert to fraction form
    29,609.32/40,878.66 = 18,446.44/x
  3. Step 3: Cross multiply
    29,609.32x = 40,878.66 × 18,446.44
  4. Step 4: Simplify right side
    29,609.32x = 754,065,748.97
  5. Step 5: Solve for x
    x = 754,065,748.97/29,609.32
  6. Step 6: Final answer
    x = 25,467.18

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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.