Home / 40,763.43-61,145.33-11,181.60

Finding the Fourth Proportional to 40,763.43, 61,145.33 and 11,181.60

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Solution

The fourth proportional to 40,763.43, 61,145.33 and 11,181.60 is: 16,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,763.43 : 61,145.33 = 11,181.60 : x
  2. Step 2: Convert to fraction form
    40,763.43/61,145.33 = 11,181.60/x
  3. Step 3: Cross multiply
    40,763.43x = 61,145.33 × 11,181.60
  4. Step 4: Simplify right side
    40,763.43x = 683,702,566.02
  5. Step 5: Solve for x
    x = 683,702,566.02/40,763.43
  6. Step 6: Final answer
    x = 16,772.45

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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.