Home / 66,591.36-99,828-27,181.44

Finding the Fourth Proportional to 66,591.36, 99,828 and 27,181.44

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Solution

The fourth proportional to 66,591.36, 99,828 and 27,181.44 is: 40,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,591.36 : 99,828 = 27,181.44 : x
  2. Step 2: Convert to fraction form
    66,591.36/99,828 = 27,181.44/x
  3. Step 3: Cross multiply
    66,591.36x = 99,828 × 27,181.44
  4. Step 4: Simplify right side
    66,591.36x = 2,713,468,792.32
  5. Step 5: Solve for x
    x = 2,713,468,792.32/66,591.36
  6. Step 6: Final answer
    x = 40,748.06

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1.5x scale

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.