Home / 55,089.32-82,641.34-21,801.61

Finding the Fourth Proportional to 55,089.32, 82,641.34 and 21,801.61

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Solution

The fourth proportional to 55,089.32, 82,641.34 and 21,801.61 is: 32,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,089.32 : 82,641.34 = 21,801.61 : x
  2. Step 2: Convert to fraction form
    55,089.32/82,641.34 = 21,801.61/x
  3. Step 3: Cross multiply
    55,089.32x = 82,641.34 × 21,801.61
  4. Step 4: Simplify right side
    55,089.32x = 1,801,714,264.56
  5. Step 5: Solve for x
    x = 1,801,714,264.56/55,089.32
  6. Step 6: Final answer
    x = 32,705.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.