Home / 31,597.64-43,618.68-18,855.24

Finding the Fourth Proportional to 31,597.64, 43,618.68 and 18,855.24

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Solution

The fourth proportional to 31,597.64, 43,618.68 and 18,855.24 is: 26,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,597.64 : 43,618.68 = 18,855.24 : x
  2. Step 2: Convert to fraction form
    31,597.64/43,618.68 = 18,855.24/x
  3. Step 3: Cross multiply
    31,597.64x = 43,618.68 × 18,855.24
  4. Step 4: Simplify right side
    31,597.64x = 822,440,679.88
  5. Step 5: Solve for x
    x = 822,440,679.88/31,597.64
  6. Step 6: Final answer
    x = 26,028.55

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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.