Home / 40,795.77-61,181.90-11,214.57

Finding the Fourth Proportional to 40,795.77, 61,181.90 and 11,214.57

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Solution

The fourth proportional to 40,795.77, 61,181.90 and 11,214.57 is: 16,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,795.77 : 61,181.90 = 11,214.57 : x
  2. Step 2: Convert to fraction form
    40,795.77/61,181.90 = 11,214.57/x
  3. Step 3: Cross multiply
    40,795.77x = 61,181.90 × 11,214.57
  4. Step 4: Simplify right side
    40,795.77x = 686,128,644.21
  5. Step 5: Solve for x
    x = 686,128,644.21/40,795.77
  6. Step 6: Final answer
    x = 16,818.62

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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.