Home / 40,979.08-61,430.16-22,231.60

Finding the Fourth Proportional to 40,979.08, 61,430.16 and 22,231.60

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Solution

The fourth proportional to 40,979.08, 61,430.16 and 22,231.60 is: 33,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,979.08 : 61,430.16 = 22,231.60 : x
  2. Step 2: Convert to fraction form
    40,979.08/61,430.16 = 22,231.60/x
  3. Step 3: Cross multiply
    40,979.08x = 61,430.16 × 22,231.60
  4. Step 4: Simplify right side
    40,979.08x = 1,365,690,745.06
  5. Step 5: Solve for x
    x = 1,365,690,745.06/40,979.08
  6. Step 6: Final answer
    x = 33,326.54

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1.5x scale

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.