Home / 31,748.35-43,815.32-17,605.75

Finding the Fourth Proportional to 31,748.35, 43,815.32 and 17,605.75

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Solution

The fourth proportional to 31,748.35, 43,815.32 and 17,605.75 is: 24,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,748.35 : 43,815.32 = 17,605.75 : x
  2. Step 2: Convert to fraction form
    31,748.35/43,815.32 = 17,605.75/x
  3. Step 3: Cross multiply
    31,748.35x = 43,815.32 × 17,605.75
  4. Step 4: Simplify right side
    31,748.35x = 771,401,570.09
  5. Step 5: Solve for x
    x = 771,401,570.09/31,748.35
  6. Step 6: Final answer
    x = 24,297.38

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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.