Home / 39,754.13-54,860.72-21,848.99

Finding the Fourth Proportional to 39,754.13, 54,860.72 and 21,848.99

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Solution

The fourth proportional to 39,754.13, 54,860.72 and 21,848.99 is: 30,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,754.13 : 54,860.72 = 21,848.99 : x
  2. Step 2: Convert to fraction form
    39,754.13/54,860.72 = 21,848.99/x
  3. Step 3: Cross multiply
    39,754.13x = 54,860.72 × 21,848.99
  4. Step 4: Simplify right side
    39,754.13x = 1,198,650,939.12
  5. Step 5: Solve for x
    x = 1,198,650,939.12/39,754.13
  6. Step 6: Final answer
    x = 30,151.61

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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.