Home / 40,961.20-61,409.40-22,493.20

Finding the Fourth Proportional to 40,961.20, 61,409.40 and 22,493.20

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Solution

The fourth proportional to 40,961.20, 61,409.40 and 22,493.20 is: 33,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,961.20 : 61,409.40 = 22,493.20 : x
  2. Step 2: Convert to fraction form
    40,961.20/61,409.40 = 22,493.20/x
  3. Step 3: Cross multiply
    40,961.20x = 61,409.40 × 22,493.20
  4. Step 4: Simplify right side
    40,961.20x = 1,381,293,916.08
  5. Step 5: Solve for x
    x = 1,381,293,916.08/40,961.20
  6. Step 6: Final answer
    x = 33,722.01

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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.