Home / 60,910.05-91,378.12-18,218.83

Finding the Fourth Proportional to 60,910.05, 91,378.12 and 18,218.83

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Solution

The fourth proportional to 60,910.05, 91,378.12 and 18,218.83 is: 27,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,910.05 : 91,378.12 = 18,218.83 : x
  2. Step 2: Convert to fraction form
    60,910.05/91,378.12 = 18,218.83/x
  3. Step 3: Cross multiply
    60,910.05x = 91,378.12 × 18,218.83
  4. Step 4: Simplify right side
    60,910.05x = 1,664,802,388.45
  5. Step 5: Solve for x
    x = 1,664,802,388.45/60,910.05
  6. Step 6: Final answer
    x = 27,332.15

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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.