Home / 31,448.19-43,404.08-18,873.75

Finding the Fourth Proportional to 31,448.19, 43,404.08 and 18,873.75

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Solution

The fourth proportional to 31,448.19, 43,404.08 and 18,873.75 is: 26,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.19 : 43,404.08 = 18,873.75 : x
  2. Step 2: Convert to fraction form
    31,448.19/43,404.08 = 18,873.75/x
  3. Step 3: Cross multiply
    31,448.19x = 43,404.08 × 18,873.75
  4. Step 4: Simplify right side
    31,448.19x = 819,197,660.53
  5. Step 5: Solve for x
    x = 819,197,660.53/31,448.19
  6. Step 6: Final answer
    x = 26,049.12

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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.