Home / 47,843.16-71,759.10-12,785.52

Finding the Fourth Proportional to 47,843.16, 71,759.10 and 12,785.52

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Solution

The fourth proportional to 47,843.16, 71,759.10 and 12,785.52 is: 19,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,843.16 : 71,759.10 = 12,785.52 : x
  2. Step 2: Convert to fraction form
    47,843.16/71,759.10 = 12,785.52/x
  3. Step 3: Cross multiply
    47,843.16x = 71,759.10 × 12,785.52
  4. Step 4: Simplify right side
    47,843.16x = 917,477,408.23
  5. Step 5: Solve for x
    x = 917,477,408.23/47,843.16
  6. Step 6: Final answer
    x = 19,176.77

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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.