Home / 40,811.16-61,212.42-13,107

Finding the Fourth Proportional to 40,811.16, 61,212.42 and 13,107

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Solution

The fourth proportional to 40,811.16, 61,212.42 and 13,107 is: 19,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,811.16 : 61,212.42 = 13,107 : x
  2. Step 2: Convert to fraction form
    40,811.16/61,212.42 = 13,107/x
  3. Step 3: Cross multiply
    40,811.16x = 61,212.42 × 13,107
  4. Step 4: Simplify right side
    40,811.16x = 802,311,188.94
  5. Step 5: Solve for x
    x = 802,311,188.94/40,811.16
  6. Step 6: Final answer
    x = 19,659.11

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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.