Home / 31,726.72-47,556.60-10,646.78

Finding the Fourth Proportional to 31,726.72, 47,556.60 and 10,646.78

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Solution

The fourth proportional to 31,726.72, 47,556.60 and 10,646.78 is: 15,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.72 : 47,556.60 = 10,646.78 : x
  2. Step 2: Convert to fraction form
    31,726.72/47,556.60 = 10,646.78/x
  3. Step 3: Cross multiply
    31,726.72x = 47,556.60 × 10,646.78
  4. Step 4: Simplify right side
    31,726.72x = 506,324,469.21
  5. Step 5: Solve for x
    x = 506,324,469.21/31,726.72
  6. Step 6: Final answer
    x = 15,958.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.