Home / 41,019.60-61,511.40-18,825.60

Finding the Fourth Proportional to 41,019.60, 61,511.40 and 18,825.60

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Solution

The fourth proportional to 41,019.60, 61,511.40 and 18,825.60 is: 28,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,019.60 : 61,511.40 = 18,825.60 : x
  2. Step 2: Convert to fraction form
    41,019.60/61,511.40 = 18,825.60/x
  3. Step 3: Cross multiply
    41,019.60x = 61,511.40 × 18,825.60
  4. Step 4: Simplify right side
    41,019.60x = 1,157,989,011.84
  5. Step 5: Solve for x
    x = 1,157,989,011.84/41,019.60
  6. Step 6: Final answer
    x = 28,230.14

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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.