Home / 67,418.82-93,021.39-41,218.20

Finding the Fourth Proportional to 67,418.82, 93,021.39 and 41,218.20

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Solution

The fourth proportional to 67,418.82, 93,021.39 and 41,218.20 is: 56,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,418.82 : 93,021.39 = 41,218.20 : x
  2. Step 2: Convert to fraction form
    67,418.82/93,021.39 = 41,218.20/x
  3. Step 3: Cross multiply
    67,418.82x = 93,021.39 × 41,218.20
  4. Step 4: Simplify right side
    67,418.82x = 3,834,174,257.30
  5. Step 5: Solve for x
    x = 3,834,174,257.30/67,418.82
  6. Step 6: Final answer
    x = 56,870.98

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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.