Home / 40,883.10-61,324.70-18,690.52

Finding the Fourth Proportional to 40,883.10, 61,324.70 and 18,690.52

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Solution

The fourth proportional to 40,883.10, 61,324.70 and 18,690.52 is: 28,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,883.10 : 61,324.70 = 18,690.52 : x
  2. Step 2: Convert to fraction form
    40,883.10/61,324.70 = 18,690.52/x
  3. Step 3: Cross multiply
    40,883.10x = 61,324.70 × 18,690.52
  4. Step 4: Simplify right side
    40,883.10x = 1,146,190,531.84
  5. Step 5: Solve for x
    x = 1,146,190,531.84/40,883.10
  6. Step 6: Final answer
    x = 28,035.80

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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.