Home / 39,848.03-54,990.64-21,943.68

Finding the Fourth Proportional to 39,848.03, 54,990.64 and 21,943.68

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Solution

The fourth proportional to 39,848.03, 54,990.64 and 21,943.68 is: 30,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,848.03 : 54,990.64 = 21,943.68 : x
  2. Step 2: Convert to fraction form
    39,848.03/54,990.64 = 21,943.68/x
  3. Step 3: Cross multiply
    39,848.03x = 54,990.64 × 21,943.68
  4. Step 4: Simplify right side
    39,848.03x = 1,206,696,732.20
  5. Step 5: Solve for x
    x = 1,206,696,732.20/39,848.03
  6. Step 6: Final answer
    x = 30,282.47

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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.