Home / 40,010.60-55,230.18-35,811.56

Finding the Fourth Proportional to 40,010.60, 55,230.18 and 35,811.56

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Solution

The fourth proportional to 40,010.60, 55,230.18 and 35,811.56 is: 49,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,010.60 : 55,230.18 = 35,811.56 : x
  2. Step 2: Convert to fraction form
    40,010.60/55,230.18 = 35,811.56/x
  3. Step 3: Cross multiply
    40,010.60x = 55,230.18 × 35,811.56
  4. Step 4: Simplify right side
    40,010.60x = 1,977,878,904.88
  5. Step 5: Solve for x
    x = 1,977,878,904.88/40,010.60
  6. Step 6: Final answer
    x = 49,433.87

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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.