Home / 40,321.50-60,352.86-21,554.62

Finding the Fourth Proportional to 40,321.50, 60,352.86 and 21,554.62

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Solution

The fourth proportional to 40,321.50, 60,352.86 and 21,554.62 is: 32,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321.50 : 60,352.86 = 21,554.62 : x
  2. Step 2: Convert to fraction form
    40,321.50/60,352.86 = 21,554.62/x
  3. Step 3: Cross multiply
    40,321.50x = 60,352.86 × 21,554.62
  4. Step 4: Simplify right side
    40,321.50x = 1,300,882,963.21
  5. Step 5: Solve for x
    x = 1,300,882,963.21/40,321.50
  6. Step 6: Final answer
    x = 32,262.76

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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.