Home / 40,616.41-60,861.78-28,160.77

Finding the Fourth Proportional to 40,616.41, 60,861.78 and 28,160.77

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Solution

The fourth proportional to 40,616.41, 60,861.78 and 28,160.77 is: 42,197.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,616.41 : 60,861.78 = 28,160.77 : x
  2. Step 2: Convert to fraction form
    40,616.41/60,861.78 = 28,160.77/x
  3. Step 3: Cross multiply
    40,616.41x = 60,861.78 × 28,160.77
  4. Step 4: Simplify right side
    40,616.41x = 1,713,914,588.37
  5. Step 5: Solve for x
    x = 1,713,914,588.37/40,616.41
  6. Step 6: Final answer
    x = 42,197.59

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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.