Home / 38,976.32-53,787.84-22,208.96

Finding the Fourth Proportional to 38,976.32, 53,787.84 and 22,208.96

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Solution

The fourth proportional to 38,976.32, 53,787.84 and 22,208.96 is: 30,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,976.32 : 53,787.84 = 22,208.96 : x
  2. Step 2: Convert to fraction form
    38,976.32/53,787.84 = 22,208.96/x
  3. Step 3: Cross multiply
    38,976.32x = 53,787.84 × 22,208.96
  4. Step 4: Simplify right side
    38,976.32x = 1,194,571,987.05
  5. Step 5: Solve for x
    x = 1,194,571,987.05/38,976.32
  6. Step 6: Final answer
    x = 30,648.66

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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.