Home / 40,774.02-61,161-26,919.78

Finding the Fourth Proportional to 40,774.02, 61,161 and 26,919.78

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Solution

The fourth proportional to 40,774.02, 61,161 and 26,919.78 is: 40,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,774.02 : 61,161 = 26,919.78 : x
  2. Step 2: Convert to fraction form
    40,774.02/61,161 = 26,919.78/x
  3. Step 3: Cross multiply
    40,774.02x = 61,161 × 26,919.78
  4. Step 4: Simplify right side
    40,774.02x = 1,646,440,664.58
  5. Step 5: Solve for x
    x = 1,646,440,664.58/40,774.02
  6. Step 6: Final answer
    x = 40,379.65

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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.