Home / 52,455.21-78,706.07-27,489.32

Finding the Fourth Proportional to 52,455.21, 78,706.07 and 27,489.32

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Solution

The fourth proportional to 52,455.21, 78,706.07 and 27,489.32 is: 41,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.21 : 78,706.07 = 27,489.32 : x
  2. Step 2: Convert to fraction form
    52,455.21/78,706.07 = 27,489.32/x
  3. Step 3: Cross multiply
    52,455.21x = 78,706.07 × 27,489.32
  4. Step 4: Simplify right side
    52,455.21x = 2,163,576,540.94
  5. Step 5: Solve for x
    x = 2,163,576,540.94/52,455.21
  6. Step 6: Final answer
    x = 41,246.17

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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.