Home / 60,740.89-91,110.62-20,759.49

Finding the Fourth Proportional to 60,740.89, 91,110.62 and 20,759.49

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Solution

The fourth proportional to 60,740.89, 91,110.62 and 20,759.49 is: 31,138.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,740.89 : 91,110.62 = 20,759.49 : x
  2. Step 2: Convert to fraction form
    60,740.89/91,110.62 = 20,759.49/x
  3. Step 3: Cross multiply
    60,740.89x = 91,110.62 × 20,759.49
  4. Step 4: Simplify right side
    60,740.89x = 1,891,410,056.68
  5. Step 5: Solve for x
    x = 1,891,410,056.68/60,740.89
  6. Step 6: Final answer
    x = 31,138.99

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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.