Home / 41,981.10-62,986.05-18,624.30

Finding the Fourth Proportional to 41,981.10, 62,986.05 and 18,624.30

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Solution

The fourth proportional to 41,981.10, 62,986.05 and 18,624.30 is: 27,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,981.10 : 62,986.05 = 18,624.30 : x
  2. Step 2: Convert to fraction form
    41,981.10/62,986.05 = 18,624.30/x
  3. Step 3: Cross multiply
    41,981.10x = 62,986.05 × 18,624.30
  4. Step 4: Simplify right side
    41,981.10x = 1,173,071,091.02
  5. Step 5: Solve for x
    x = 1,173,071,091.02/41,981.10
  6. Step 6: Final answer
    x = 27,942.84

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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.