Home / 39,744.47-54,848.14-21,838.41

Finding the Fourth Proportional to 39,744.47, 54,848.14 and 21,838.41

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Solution

The fourth proportional to 39,744.47, 54,848.14 and 21,838.41 is: 30,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,744.47 : 54,848.14 = 21,838.41 : x
  2. Step 2: Convert to fraction form
    39,744.47/54,848.14 = 21,838.41/x
  3. Step 3: Cross multiply
    39,744.47x = 54,848.14 × 21,838.41
  4. Step 4: Simplify right side
    39,744.47x = 1,197,796,114.46
  5. Step 5: Solve for x
    x = 1,197,796,114.46/39,744.47
  6. Step 6: Final answer
    x = 30,137.43

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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.