Home / 39,848.80-54,991.35-21,943.77

Finding the Fourth Proportional to 39,848.80, 54,991.35 and 21,943.77

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Solution

The fourth proportional to 39,848.80, 54,991.35 and 21,943.77 is: 30,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,848.80 : 54,991.35 = 21,943.77 : x
  2. Step 2: Convert to fraction form
    39,848.80/54,991.35 = 21,943.77/x
  3. Step 3: Cross multiply
    39,848.80x = 54,991.35 × 21,943.77
  4. Step 4: Simplify right side
    39,848.80x = 1,206,717,536.39
  5. Step 5: Solve for x
    x = 1,206,717,536.39/39,848.80
  6. Step 6: Final answer
    x = 30,282.41

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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.