Home / 39,532.49-54,556.13-21,627.50

Finding the Fourth Proportional to 39,532.49, 54,556.13 and 21,627.50

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Solution

The fourth proportional to 39,532.49, 54,556.13 and 21,627.50 is: 29,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,532.49 : 54,556.13 = 21,627.50 : x
  2. Step 2: Convert to fraction form
    39,532.49/54,556.13 = 21,627.50/x
  3. Step 3: Cross multiply
    39,532.49x = 54,556.13 × 21,627.50
  4. Step 4: Simplify right side
    39,532.49x = 1,179,912,701.58
  5. Step 5: Solve for x
    x = 1,179,912,701.58/39,532.49
  6. Step 6: Final answer
    x = 29,846.66

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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.