Home / 32,780.19-49,178.92-11,722.32

Finding the Fourth Proportional to 32,780.19, 49,178.92 and 11,722.32

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Solution

The fourth proportional to 32,780.19, 49,178.92 and 11,722.32 is: 17,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.19 : 49,178.92 = 11,722.32 : x
  2. Step 2: Convert to fraction form
    32,780.19/49,178.92 = 11,722.32/x
  3. Step 3: Cross multiply
    32,780.19x = 49,178.92 × 11,722.32
  4. Step 4: Simplify right side
    32,780.19x = 576,490,791.60
  5. Step 5: Solve for x
    x = 576,490,791.60/32,780.19
  6. Step 6: Final answer
    x = 17,586.56

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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.