Home / 40,284.24-60,418.80-13,983.60

Finding the Fourth Proportional to 40,284.24, 60,418.80 and 13,983.60

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Solution

The fourth proportional to 40,284.24, 60,418.80 and 13,983.60 is: 20,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284.24 : 60,418.80 = 13,983.60 : x
  2. Step 2: Convert to fraction form
    40,284.24/60,418.80 = 13,983.60/x
  3. Step 3: Cross multiply
    40,284.24x = 60,418.80 × 13,983.60
  4. Step 4: Simplify right side
    40,284.24x = 844,872,331.68
  5. Step 5: Solve for x
    x = 844,872,331.68/40,284.24
  6. Step 6: Final answer
    x = 20,972.78

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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.