Home / 45,625.10-68,420.19-21,926

Finding the Fourth Proportional to 45,625.10, 68,420.19 and 21,926

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Solution

The fourth proportional to 45,625.10, 68,420.19 and 21,926 is: 32,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,625.10 : 68,420.19 = 21,926 : x
  2. Step 2: Convert to fraction form
    45,625.10/68,420.19 = 21,926/x
  3. Step 3: Cross multiply
    45,625.10x = 68,420.19 × 21,926
  4. Step 4: Simplify right side
    45,625.10x = 1,500,181,085.94
  5. Step 5: Solve for x
    x = 1,500,181,085.94/45,625.10
  6. Step 6: Final answer
    x = 32,880.61

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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.