Home / 61,251.26-84,540.51-40,018.32

Finding the Fourth Proportional to 61,251.26, 84,540.51 and 40,018.32

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Solution

The fourth proportional to 61,251.26, 84,540.51 and 40,018.32 is: 55,234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,251.26 : 84,540.51 = 40,018.32 : x
  2. Step 2: Convert to fraction form
    61,251.26/84,540.51 = 40,018.32/x
  3. Step 3: Cross multiply
    61,251.26x = 84,540.51 × 40,018.32
  4. Step 4: Simplify right side
    61,251.26x = 3,383,169,182.14
  5. Step 5: Solve for x
    x = 3,383,169,182.14/61,251.26
  6. Step 6: Final answer
    x = 55,234.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.