Home / 39,631.39-54,691.76-22,637.88

Finding the Fourth Proportional to 39,631.39, 54,691.76 and 22,637.88

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Solution

The fourth proportional to 39,631.39, 54,691.76 and 22,637.88 is: 31,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631.39 : 54,691.76 = 22,637.88 : x
  2. Step 2: Convert to fraction form
    39,631.39/54,691.76 = 22,637.88/x
  3. Step 3: Cross multiply
    39,631.39x = 54,691.76 × 22,637.88
  4. Step 4: Simplify right side
    39,631.39x = 1,238,105,556.46
  5. Step 5: Solve for x
    x = 1,238,105,556.46/39,631.39
  6. Step 6: Final answer
    x = 31,240.53

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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.