Home / 29,051.62-40,081.38-18,447.40

Finding the Fourth Proportional to 29,051.62, 40,081.38 and 18,447.40

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Solution

The fourth proportional to 29,051.62, 40,081.38 and 18,447.40 is: 25,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,051.62 : 40,081.38 = 18,447.40 : x
  2. Step 2: Convert to fraction form
    29,051.62/40,081.38 = 18,447.40/x
  3. Step 3: Cross multiply
    29,051.62x = 40,081.38 × 18,447.40
  4. Step 4: Simplify right side
    29,051.62x = 739,397,249.41
  5. Step 5: Solve for x
    x = 739,397,249.41/29,051.62
  6. Step 6: Final answer
    x = 25,451.15

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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.