Home / 40,741.92-61,116.53-11,159.91

Finding the Fourth Proportional to 40,741.92, 61,116.53 and 11,159.91

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Solution

The fourth proportional to 40,741.92, 61,116.53 and 11,159.91 is: 16,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,741.92 : 61,116.53 = 11,159.91 : x
  2. Step 2: Convert to fraction form
    40,741.92/61,116.53 = 11,159.91/x
  3. Step 3: Cross multiply
    40,741.92x = 61,116.53 × 11,159.91
  4. Step 4: Simplify right side
    40,741.92x = 682,054,918.51
  5. Step 5: Solve for x
    x = 682,054,918.51/40,741.92
  6. Step 6: Final answer
    x = 16,740.86

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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.