Home / 39,850.77-59,799.86-20,131.32

Finding the Fourth Proportional to 39,850.77, 59,799.86 and 20,131.32

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Solution

The fourth proportional to 39,850.77, 59,799.86 and 20,131.32 is: 30,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,850.77 : 59,799.86 = 20,131.32 : x
  2. Step 2: Convert to fraction form
    39,850.77/59,799.86 = 20,131.32/x
  3. Step 3: Cross multiply
    39,850.77x = 59,799.86 × 20,131.32
  4. Step 4: Simplify right side
    39,850.77x = 1,203,850,016.96
  5. Step 5: Solve for x
    x = 1,203,850,016.96/39,850.77
  6. Step 6: Final answer
    x = 30,208.95

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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.