Home / 36,648.61-54,989.31-21,066.23

Finding the Fourth Proportional to 36,648.61, 54,989.31 and 21,066.23

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Solution

The fourth proportional to 36,648.61, 54,989.31 and 21,066.23 is: 31,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,648.61 : 54,989.31 = 21,066.23 : x
  2. Step 2: Convert to fraction form
    36,648.61/54,989.31 = 21,066.23/x
  3. Step 3: Cross multiply
    36,648.61x = 54,989.31 × 21,066.23
  4. Step 4: Simplify right side
    36,648.61x = 1,158,417,668.47
  5. Step 5: Solve for x
    x = 1,158,417,668.47/36,648.61
  6. Step 6: Final answer
    x = 31,608.78

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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.