Home / 40,519.84-60,619.92-30,687.52

Finding the Fourth Proportional to 40,519.84, 60,619.92 and 30,687.52

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Solution

The fourth proportional to 40,519.84, 60,619.92 and 30,687.52 is: 45,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,519.84 : 60,619.92 = 30,687.52 : x
  2. Step 2: Convert to fraction form
    40,519.84/60,619.92 = 30,687.52/x
  3. Step 3: Cross multiply
    40,519.84x = 60,619.92 × 30,687.52
  4. Step 4: Simplify right side
    40,519.84x = 1,860,275,007.40
  5. Step 5: Solve for x
    x = 1,860,275,007.40/40,519.84
  6. Step 6: Final answer
    x = 45,910.23

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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.