Home / 31,482.08-43,447.20-17,338.04

Finding the Fourth Proportional to 31,482.08, 43,447.20 and 17,338.04

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Solution

The fourth proportional to 31,482.08, 43,447.20 and 17,338.04 is: 23,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.08 : 43,447.20 = 17,338.04 : x
  2. Step 2: Convert to fraction form
    31,482.08/43,447.20 = 17,338.04/x
  3. Step 3: Cross multiply
    31,482.08x = 43,447.20 × 17,338.04
  4. Step 4: Simplify right side
    31,482.08x = 753,289,291.49
  5. Step 5: Solve for x
    x = 753,289,291.49/31,482.08
  6. Step 6: Final answer
    x = 23,927.56

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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.