Home / 41,378.60-62,082.93-20,316.40

Finding the Fourth Proportional to 41,378.60, 62,082.93 and 20,316.40

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Solution

The fourth proportional to 41,378.60, 62,082.93 and 20,316.40 is: 30,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,378.60 : 62,082.93 = 20,316.40 : x
  2. Step 2: Convert to fraction form
    41,378.60/62,082.93 = 20,316.40/x
  3. Step 3: Cross multiply
    41,378.60x = 62,082.93 × 20,316.40
  4. Step 4: Simplify right side
    41,378.60x = 1,261,301,639.05
  5. Step 5: Solve for x
    x = 1,261,301,639.05/41,378.60
  6. Step 6: Final answer
    x = 30,481.98

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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.