Home / 47,255.52-70,843.05-20,945.91

Finding the Fourth Proportional to 47,255.52, 70,843.05 and 20,945.91

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Solution

The fourth proportional to 47,255.52, 70,843.05 and 20,945.91 is: 31,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,255.52 : 70,843.05 = 20,945.91 : x
  2. Step 2: Convert to fraction form
    47,255.52/70,843.05 = 20,945.91/x
  3. Step 3: Cross multiply
    47,255.52x = 70,843.05 × 20,945.91
  4. Step 4: Simplify right side
    47,255.52x = 1,483,872,149.43
  5. Step 5: Solve for x
    x = 1,483,872,149.43/47,255.52
  6. Step 6: Final answer
    x = 31,401.03

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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.