Home / 39,481.34-54,484.97-21,577.50

Finding the Fourth Proportional to 39,481.34, 54,484.97 and 21,577.50

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Solution

The fourth proportional to 39,481.34, 54,484.97 and 21,577.50 is: 29,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,481.34 : 54,484.97 = 21,577.50 : x
  2. Step 2: Convert to fraction form
    39,481.34/54,484.97 = 21,577.50/x
  3. Step 3: Cross multiply
    39,481.34x = 54,484.97 × 21,577.50
  4. Step 4: Simplify right side
    39,481.34x = 1,175,649,332.29
  5. Step 5: Solve for x
    x = 1,175,649,332.29/39,481.34
  6. Step 6: Final answer
    x = 29,777.34

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1.5x scale

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.