Home / 40,901.78-61,354.04-11,317.14

Finding the Fourth Proportional to 40,901.78, 61,354.04 and 11,317.14

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Solution

The fourth proportional to 40,901.78, 61,354.04 and 11,317.14 is: 16,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,901.78 : 61,354.04 = 11,317.14 : x
  2. Step 2: Convert to fraction form
    40,901.78/61,354.04 = 11,317.14/x
  3. Step 3: Cross multiply
    40,901.78x = 61,354.04 × 11,317.14
  4. Step 4: Simplify right side
    40,901.78x = 694,352,203.66
  5. Step 5: Solve for x
    x = 694,352,203.66/40,901.78
  6. Step 6: Final answer
    x = 16,976.09

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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.