Home / 47,211.89-70,887.62-31,514.72

Finding the Fourth Proportional to 47,211.89, 70,887.62 and 31,514.72

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Solution

The fourth proportional to 47,211.89, 70,887.62 and 31,514.72 is: 47,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.89 : 70,887.62 = 31,514.72 : x
  2. Step 2: Convert to fraction form
    47,211.89/70,887.62 = 31,514.72/x
  3. Step 3: Cross multiply
    47,211.89x = 70,887.62 × 31,514.72
  4. Step 4: Simplify right side
    47,211.89x = 2,234,003,220.12
  5. Step 5: Solve for x
    x = 2,234,003,220.12/47,211.89
  6. Step 6: Final answer
    x = 47,318.66

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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.