Home / 40,630.77-55,954.19-38,099.30

Finding the Fourth Proportional to 40,630.77, 55,954.19 and 38,099.30

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Solution

The fourth proportional to 40,630.77, 55,954.19 and 38,099.30 is: 52,468.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,630.77 : 55,954.19 = 38,099.30 : x
  2. Step 2: Convert to fraction form
    40,630.77/55,954.19 = 38,099.30/x
  3. Step 3: Cross multiply
    40,630.77x = 55,954.19 × 38,099.30
  4. Step 4: Simplify right side
    40,630.77x = 2,131,815,286.54
  5. Step 5: Solve for x
    x = 2,131,815,286.54/40,630.77
  6. Step 6: Final answer
    x = 52,468.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.