Home / 32,929.70-49,394.55-21,119.90

Finding the Fourth Proportional to 32,929.70, 49,394.55 and 21,119.90

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Solution

The fourth proportional to 32,929.70, 49,394.55 and 21,119.90 is: 31,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,929.70 : 49,394.55 = 21,119.90 : x
  2. Step 2: Convert to fraction form
    32,929.70/49,394.55 = 21,119.90/x
  3. Step 3: Cross multiply
    32,929.70x = 49,394.55 × 21,119.90
  4. Step 4: Simplify right side
    32,929.70x = 1,043,207,956.55
  5. Step 5: Solve for x
    x = 1,043,207,956.55/32,929.70
  6. Step 6: Final answer
    x = 31,679.85

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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.