Home / 34,726.41-47,919.60-19,620.38

Finding the Fourth Proportional to 34,726.41, 47,919.60 and 19,620.38

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Solution

The fourth proportional to 34,726.41, 47,919.60 and 19,620.38 is: 27,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,726.41 : 47,919.60 = 19,620.38 : x
  2. Step 2: Convert to fraction form
    34,726.41/47,919.60 = 19,620.38/x
  3. Step 3: Cross multiply
    34,726.41x = 47,919.60 × 19,620.38
  4. Step 4: Simplify right side
    34,726.41x = 940,200,521.85
  5. Step 5: Solve for x
    x = 940,200,521.85/34,726.41
  6. Step 6: Final answer
    x = 27,074.51

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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.