Home / 31,621.06-47,431.54-9,449.97

Finding the Fourth Proportional to 31,621.06, 47,431.54 and 9,449.97

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Solution

The fourth proportional to 31,621.06, 47,431.54 and 9,449.97 is: 14,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621.06 : 47,431.54 = 9,449.97 : x
  2. Step 2: Convert to fraction form
    31,621.06/47,431.54 = 9,449.97/x
  3. Step 3: Cross multiply
    31,621.06x = 47,431.54 × 9,449.97
  4. Step 4: Simplify right side
    31,621.06x = 448,226,630.05
  5. Step 5: Solve for x
    x = 448,226,630.05/31,621.06
  6. Step 6: Final answer
    x = 14,174.94

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1.5x scale

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.