Home / 31,524.34-43,503.32-18,097.78

Finding the Fourth Proportional to 31,524.34, 43,503.32 and 18,097.78

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Solution

The fourth proportional to 31,524.34, 43,503.32 and 18,097.78 is: 24,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524.34 : 43,503.32 = 18,097.78 : x
  2. Step 2: Convert to fraction form
    31,524.34/43,503.32 = 18,097.78/x
  3. Step 3: Cross multiply
    31,524.34x = 43,503.32 × 18,097.78
  4. Step 4: Simplify right side
    31,524.34x = 787,313,514.63
  5. Step 5: Solve for x
    x = 787,313,514.63/31,524.34
  6. Step 6: Final answer
    x = 24,974.78

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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.