Home / 47,171.72-65,126.85-29,285.71

Finding the Fourth Proportional to 47,171.72, 65,126.85 and 29,285.71

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Solution

The fourth proportional to 47,171.72, 65,126.85 and 29,285.71 is: 40,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,171.72 : 65,126.85 = 29,285.71 : x
  2. Step 2: Convert to fraction form
    47,171.72/65,126.85 = 29,285.71/x
  3. Step 3: Cross multiply
    47,171.72x = 65,126.85 × 29,285.71
  4. Step 4: Simplify right side
    47,171.72x = 1,907,286,042.31
  5. Step 5: Solve for x
    x = 1,907,286,042.31/47,171.72
  6. Step 6: Final answer
    x = 40,432.83

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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.