Home / 31,965.74-44,115.12-18,536.88

Finding the Fourth Proportional to 31,965.74, 44,115.12 and 18,536.88

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Solution

The fourth proportional to 31,965.74, 44,115.12 and 18,536.88 is: 25,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,965.74 : 44,115.12 = 18,536.88 : x
  2. Step 2: Convert to fraction form
    31,965.74/44,115.12 = 18,536.88/x
  3. Step 3: Cross multiply
    31,965.74x = 44,115.12 × 18,536.88
  4. Step 4: Simplify right side
    31,965.74x = 817,756,511.42
  5. Step 5: Solve for x
    x = 817,756,511.42/31,965.74
  6. Step 6: Final answer
    x = 25,582.28

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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.