Home / 40,321.50-60,482.25-11,137.50

Finding the Fourth Proportional to 40,321.50, 60,482.25 and 11,137.50

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Solution

The fourth proportional to 40,321.50, 60,482.25 and 11,137.50 is: 16,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321.50 : 60,482.25 = 11,137.50 : x
  2. Step 2: Convert to fraction form
    40,321.50/60,482.25 = 11,137.50/x
  3. Step 3: Cross multiply
    40,321.50x = 60,482.25 × 11,137.50
  4. Step 4: Simplify right side
    40,321.50x = 673,621,059.38
  5. Step 5: Solve for x
    x = 673,621,059.38/40,321.50
  6. Step 6: Final answer
    x = 16,706.25

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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.