Home / 40,986.40-61,508.40-26,231.20

Finding the Fourth Proportional to 40,986.40, 61,508.40 and 26,231.20

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Solution

The fourth proportional to 40,986.40, 61,508.40 and 26,231.20 is: 39,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,986.40 : 61,508.40 = 26,231.20 : x
  2. Step 2: Convert to fraction form
    40,986.40/61,508.40 = 26,231.20/x
  3. Step 3: Cross multiply
    40,986.40x = 61,508.40 × 26,231.20
  4. Step 4: Simplify right side
    40,986.40x = 1,613,439,142.08
  5. Step 5: Solve for x
    x = 1,613,439,142.08/40,986.40
  6. Step 6: Final answer
    x = 39,365.23

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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.