Home / 32,942.47-49,416-13,221.04

Finding the Fourth Proportional to 32,942.47, 49,416 and 13,221.04

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Solution

The fourth proportional to 32,942.47, 49,416 and 13,221.04 is: 19,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,942.47 : 49,416 = 13,221.04 : x
  2. Step 2: Convert to fraction form
    32,942.47/49,416 = 13,221.04/x
  3. Step 3: Cross multiply
    32,942.47x = 49,416 × 13,221.04
  4. Step 4: Simplify right side
    32,942.47x = 653,330,912.64
  5. Step 5: Solve for x
    x = 653,330,912.64/32,942.47
  6. Step 6: Final answer
    x = 19,832.48

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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.