Home / 40,844.89-61,276.25-12,767.05

Finding the Fourth Proportional to 40,844.89, 61,276.25 and 12,767.05

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Solution

The fourth proportional to 40,844.89, 61,276.25 and 12,767.05 is: 19,153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,844.89 : 61,276.25 = 12,767.05 : x
  2. Step 2: Convert to fraction form
    40,844.89/61,276.25 = 12,767.05/x
  3. Step 3: Cross multiply
    40,844.89x = 61,276.25 × 12,767.05
  4. Step 4: Simplify right side
    40,844.89x = 782,316,947.56
  5. Step 5: Solve for x
    x = 782,316,947.56/40,844.89
  6. Step 6: Final answer
    x = 19,153.36

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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.