Home / 31,614.73-43,624.58-18,865.55

Finding the Fourth Proportional to 31,614.73, 43,624.58 and 18,865.55

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Solution

The fourth proportional to 31,614.73, 43,624.58 and 18,865.55 is: 26,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,614.73 : 43,624.58 = 18,865.55 : x
  2. Step 2: Convert to fraction form
    31,614.73/43,624.58 = 18,865.55/x
  3. Step 3: Cross multiply
    31,614.73x = 43,624.58 × 18,865.55
  4. Step 4: Simplify right side
    31,614.73x = 823,001,524.26
  5. Step 5: Solve for x
    x = 823,001,524.26/31,614.73
  6. Step 6: Final answer
    x = 26,032.22

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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.