Home / 35,979.20-54,033.60-26,129.60

Finding the Fourth Proportional to 35,979.20, 54,033.60 and 26,129.60

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Solution

The fourth proportional to 35,979.20, 54,033.60 and 26,129.60 is: 39,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.20 : 54,033.60 = 26,129.60 : x
  2. Step 2: Convert to fraction form
    35,979.20/54,033.60 = 26,129.60/x
  3. Step 3: Cross multiply
    35,979.20x = 54,033.60 × 26,129.60
  4. Step 4: Simplify right side
    35,979.20x = 1,411,876,354.56
  5. Step 5: Solve for x
    x = 1,411,876,354.56/35,979.20
  6. Step 6: Final answer
    x = 39,241.46

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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.