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Finding the Fourth Proportional to 41,869.26, 62,719.04 and 19,347.92

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Solution

The fourth proportional to 41,869.26, 62,719.04 and 19,347.92 is: 28,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,869.26 : 62,719.04 = 19,347.92 : x
  2. Step 2: Convert to fraction form
    41,869.26/62,719.04 = 19,347.92/x
  3. Step 3: Cross multiply
    41,869.26x = 62,719.04 × 19,347.92
  4. Step 4: Simplify right side
    41,869.26x = 1,213,482,968.40
  5. Step 5: Solve for x
    x = 1,213,482,968.40/41,869.26
  6. Step 6: Final answer
    x = 28,982.67

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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.