Home / 55,665.84-83,481.41-18,217.56

Finding the Fourth Proportional to 55,665.84, 83,481.41 and 18,217.56

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Solution

The fourth proportional to 55,665.84, 83,481.41 and 18,217.56 is: 27,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665.84 : 83,481.41 = 18,217.56 : x
  2. Step 2: Convert to fraction form
    55,665.84/83,481.41 = 18,217.56/x
  3. Step 3: Cross multiply
    55,665.84x = 83,481.41 × 18,217.56
  4. Step 4: Simplify right side
    55,665.84x = 1,520,827,504.47
  5. Step 5: Solve for x
    x = 1,520,827,504.47/55,665.84
  6. Step 6: Final answer
    x = 27,320.66

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1.5x scale

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.