Home / 31,990.29-47,983.70-9,803.73

Finding the Fourth Proportional to 31,990.29, 47,983.70 and 9,803.73

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Solution

The fourth proportional to 31,990.29, 47,983.70 and 9,803.73 is: 14,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.29 : 47,983.70 = 9,803.73 : x
  2. Step 2: Convert to fraction form
    31,990.29/47,983.70 = 9,803.73/x
  3. Step 3: Cross multiply
    31,990.29x = 47,983.70 × 9,803.73
  4. Step 4: Simplify right side
    31,990.29x = 470,419,239.20
  5. Step 5: Solve for x
    x = 470,419,239.20/31,990.29
  6. Step 6: Final answer
    x = 14,705.06

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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.