Home / 31,265.09-43,145.55-16,924.85

Finding the Fourth Proportional to 31,265.09, 43,145.55 and 16,924.85

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Solution

The fourth proportional to 31,265.09, 43,145.55 and 16,924.85 is: 23,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.09 : 43,145.55 = 16,924.85 : x
  2. Step 2: Convert to fraction form
    31,265.09/43,145.55 = 16,924.85/x
  3. Step 3: Cross multiply
    31,265.09x = 43,145.55 × 16,924.85
  4. Step 4: Simplify right side
    31,265.09x = 730,231,961.92
  5. Step 5: Solve for x
    x = 730,231,961.92/31,265.09
  6. Step 6: Final answer
    x = 23,356.14

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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.