Home / 32,910.10-49,362.21-9,215.61

Finding the Fourth Proportional to 32,910.10, 49,362.21 and 9,215.61

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Solution

The fourth proportional to 32,910.10, 49,362.21 and 9,215.61 is: 13,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,910.10 : 49,362.21 = 9,215.61 : x
  2. Step 2: Convert to fraction form
    32,910.10/49,362.21 = 9,215.61/x
  3. Step 3: Cross multiply
    32,910.10x = 49,362.21 × 9,215.61
  4. Step 4: Simplify right side
    32,910.10x = 454,902,690.99
  5. Step 5: Solve for x
    x = 454,902,690.99/32,910.10
  6. Step 6: Final answer
    x = 13,822.59

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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.