Home / 40,919.90-61,379.93-11,337.81

Finding the Fourth Proportional to 40,919.90, 61,379.93 and 11,337.81

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Solution

The fourth proportional to 40,919.90, 61,379.93 and 11,337.81 is: 17,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,919.90 : 61,379.93 = 11,337.81 : x
  2. Step 2: Convert to fraction form
    40,919.90/61,379.93 = 11,337.81/x
  3. Step 3: Cross multiply
    40,919.90x = 61,379.93 × 11,337.81
  4. Step 4: Simplify right side
    40,919.90x = 695,914,063.81
  5. Step 5: Solve for x
    x = 695,914,063.81/40,919.90
  6. Step 6: Final answer
    x = 17,006.74

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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.