Home / 31,151.62-43,032.63-27,793.36

Finding the Fourth Proportional to 31,151.62, 43,032.63 and 27,793.36

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Solution

The fourth proportional to 31,151.62, 43,032.63 and 27,793.36 is: 38,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,151.62 : 43,032.63 = 27,793.36 : x
  2. Step 2: Convert to fraction form
    31,151.62/43,032.63 = 27,793.36/x
  3. Step 3: Cross multiply
    31,151.62x = 43,032.63 × 27,793.36
  4. Step 4: Simplify right side
    31,151.62x = 1,196,021,377.34
  5. Step 5: Solve for x
    x = 1,196,021,377.34/31,151.62
  6. Step 6: Final answer
    x = 38,393.55

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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.