Home / 31,249.46-43,119.12-17,820.98

Finding the Fourth Proportional to 31,249.46, 43,119.12 and 17,820.98

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Solution

The fourth proportional to 31,249.46, 43,119.12 and 17,820.98 is: 24,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.46 : 43,119.12 = 17,820.98 : x
  2. Step 2: Convert to fraction form
    31,249.46/43,119.12 = 17,820.98/x
  3. Step 3: Cross multiply
    31,249.46x = 43,119.12 × 17,820.98
  4. Step 4: Simplify right side
    31,249.46x = 768,424,975.14
  5. Step 5: Solve for x
    x = 768,424,975.14/31,249.46
  6. Step 6: Final answer
    x = 24,590.02

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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.