Home / 40,685.86-60,723.77-38,028.64

Finding the Fourth Proportional to 40,685.86, 60,723.77 and 38,028.64

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Solution

The fourth proportional to 40,685.86, 60,723.77 and 38,028.64 is: 56,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,685.86 : 60,723.77 = 38,028.64 : x
  2. Step 2: Convert to fraction form
    40,685.86/60,723.77 = 38,028.64/x
  3. Step 3: Cross multiply
    40,685.86x = 60,723.77 × 38,028.64
  4. Step 4: Simplify right side
    40,685.86x = 2,309,242,388.77
  5. Step 5: Solve for x
    x = 2,309,242,388.77/40,685.86
  6. Step 6: Final answer
    x = 56,757.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.