Home / 60,720.21-91,086.38-18,599.80

Finding the Fourth Proportional to 60,720.21, 91,086.38 and 18,599.80

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Solution

The fourth proportional to 60,720.21, 91,086.38 and 18,599.80 is: 27,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720.21 : 91,086.38 = 18,599.80 : x
  2. Step 2: Convert to fraction form
    60,720.21/91,086.38 = 18,599.80/x
  3. Step 3: Cross multiply
    60,720.21x = 91,086.38 × 18,599.80
  4. Step 4: Simplify right side
    60,720.21x = 1,694,188,450.72
  5. Step 5: Solve for x
    x = 1,694,188,450.72/60,720.21
  6. Step 6: Final answer
    x = 27,901.56

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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.