Home / 40,519.50-60,774.66-10,935.60

Finding the Fourth Proportional to 40,519.50, 60,774.66 and 10,935.60

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Solution

The fourth proportional to 40,519.50, 60,774.66 and 10,935.60 is: 16,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,519.50 : 60,774.66 = 10,935.60 : x
  2. Step 2: Convert to fraction form
    40,519.50/60,774.66 = 10,935.60/x
  3. Step 3: Cross multiply
    40,519.50x = 60,774.66 × 10,935.60
  4. Step 4: Simplify right side
    40,519.50x = 664,607,371.90
  5. Step 5: Solve for x
    x = 664,607,371.90/40,519.50
  6. Step 6: Final answer
    x = 16,402.16

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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.