Home / 40,722.65-61,093.54-12,641.27

Finding the Fourth Proportional to 40,722.65, 61,093.54 and 12,641.27

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Solution

The fourth proportional to 40,722.65, 61,093.54 and 12,641.27 is: 18,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,722.65 : 61,093.54 = 12,641.27 : x
  2. Step 2: Convert to fraction form
    40,722.65/61,093.54 = 12,641.27/x
  3. Step 3: Cross multiply
    40,722.65x = 61,093.54 × 12,641.27
  4. Step 4: Simplify right side
    40,722.65x = 772,299,644.73
  5. Step 5: Solve for x
    x = 772,299,644.73/40,722.65
  6. Step 6: Final answer
    x = 18,964.87

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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.