Home / 47,432.14-65,469.99-31,311.22

Finding the Fourth Proportional to 47,432.14, 65,469.99 and 31,311.22

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Solution

The fourth proportional to 47,432.14, 65,469.99 and 31,311.22 is: 43,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,432.14 : 65,469.99 = 31,311.22 : x
  2. Step 2: Convert to fraction form
    47,432.14/65,469.99 = 31,311.22/x
  3. Step 3: Cross multiply
    47,432.14x = 65,469.99 × 31,311.22
  4. Step 4: Simplify right side
    47,432.14x = 2,049,945,260.29
  5. Step 5: Solve for x
    x = 2,049,945,260.29/47,432.14
  6. Step 6: Final answer
    x = 43,218.49

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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.