Home / 30,295.82-41,824.64-21,248.96

Finding the Fourth Proportional to 30,295.82, 41,824.64 and 21,248.96

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Solution

The fourth proportional to 30,295.82, 41,824.64 and 21,248.96 is: 29,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,295.82 : 41,824.64 = 21,248.96 : x
  2. Step 2: Convert to fraction form
    30,295.82/41,824.64 = 21,248.96/x
  3. Step 3: Cross multiply
    30,295.82x = 41,824.64 × 21,248.96
  4. Step 4: Simplify right side
    30,295.82x = 888,729,787.01
  5. Step 5: Solve for x
    x = 888,729,787.01/30,295.82
  6. Step 6: Final answer
    x = 29,335.07

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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.