Home / 55,515.96-83,260.06-21,788.82

Finding the Fourth Proportional to 55,515.96, 83,260.06 and 21,788.82

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Solution

The fourth proportional to 55,515.96, 83,260.06 and 21,788.82 is: 32,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,515.96 : 83,260.06 = 21,788.82 : x
  2. Step 2: Convert to fraction form
    55,515.96/83,260.06 = 21,788.82/x
  3. Step 3: Cross multiply
    55,515.96x = 83,260.06 × 21,788.82
  4. Step 4: Simplify right side
    55,515.96x = 1,814,138,460.53
  5. Step 5: Solve for x
    x = 1,814,138,460.53/55,515.96
  6. Step 6: Final answer
    x = 32,677.78

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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.