Home / 40,149.84-60,228.12-16,778.32

Finding the Fourth Proportional to 40,149.84, 60,228.12 and 16,778.32

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Solution

The fourth proportional to 40,149.84, 60,228.12 and 16,778.32 is: 25,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,149.84 : 60,228.12 = 16,778.32 : x
  2. Step 2: Convert to fraction form
    40,149.84/60,228.12 = 16,778.32/x
  3. Step 3: Cross multiply
    40,149.84x = 60,228.12 × 16,778.32
  4. Step 4: Simplify right side
    40,149.84x = 1,010,526,670.36
  5. Step 5: Solve for x
    x = 1,010,526,670.36/40,149.84
  6. Step 6: Final answer
    x = 25,168.88

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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.