Home / 31,299.52-43,193.32-18,727.24

Finding the Fourth Proportional to 31,299.52, 43,193.32 and 18,727.24

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Solution

The fourth proportional to 31,299.52, 43,193.32 and 18,727.24 is: 25,843.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.52 : 43,193.32 = 18,727.24 : x
  2. Step 2: Convert to fraction form
    31,299.52/43,193.32 = 18,727.24/x
  3. Step 3: Cross multiply
    31,299.52x = 43,193.32 × 18,727.24
  4. Step 4: Simplify right side
    31,299.52x = 808,891,670.04
  5. Step 5: Solve for x
    x = 808,891,670.04/31,299.52
  6. Step 6: Final answer
    x = 25,843.58

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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.