Home / 31,992.90-44,135.85-18,556.32

Finding the Fourth Proportional to 31,992.90, 44,135.85 and 18,556.32

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Solution

The fourth proportional to 31,992.90, 44,135.85 and 18,556.32 is: 25,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,992.90 : 44,135.85 = 18,556.32 : x
  2. Step 2: Convert to fraction form
    31,992.90/44,135.85 = 18,556.32/x
  3. Step 3: Cross multiply
    31,992.90x = 44,135.85 × 18,556.32
  4. Step 4: Simplify right side
    31,992.90x = 818,998,956.07
  5. Step 5: Solve for x
    x = 818,998,956.07/31,992.90
  6. Step 6: Final answer
    x = 25,599.40

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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.