Home / 40,768.34-61,145.95-11,179.31

Finding the Fourth Proportional to 40,768.34, 61,145.95 and 11,179.31

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Solution

The fourth proportional to 40,768.34, 61,145.95 and 11,179.31 is: 16,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.34 : 61,145.95 = 11,179.31 : x
  2. Step 2: Convert to fraction form
    40,768.34/61,145.95 = 11,179.31/x
  3. Step 3: Cross multiply
    40,768.34x = 61,145.95 × 11,179.31
  4. Step 4: Simplify right side
    40,768.34x = 683,569,530.29
  5. Step 5: Solve for x
    x = 683,569,530.29/40,768.34
  6. Step 6: Final answer
    x = 16,767.17

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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.