Home / 32,138.57-44,351.69-18,519.12

Finding the Fourth Proportional to 32,138.57, 44,351.69 and 18,519.12

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Solution

The fourth proportional to 32,138.57, 44,351.69 and 18,519.12 is: 25,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,138.57 : 44,351.69 = 18,519.12 : x
  2. Step 2: Convert to fraction form
    32,138.57/44,351.69 = 18,519.12/x
  3. Step 3: Cross multiply
    32,138.57x = 44,351.69 × 18,519.12
  4. Step 4: Simplify right side
    32,138.57x = 821,354,176.72
  5. Step 5: Solve for x
    x = 821,354,176.72/32,138.57
  6. Step 6: Final answer
    x = 25,556.65

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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.