Home / 31,777.20-43,752.84-26,987.16

Finding the Fourth Proportional to 31,777.20, 43,752.84 and 26,987.16

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Solution

The fourth proportional to 31,777.20, 43,752.84 and 26,987.16 is: 37,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,777.20 : 43,752.84 = 26,987.16 : x
  2. Step 2: Convert to fraction form
    31,777.20/43,752.84 = 26,987.16/x
  3. Step 3: Cross multiply
    31,777.20x = 43,752.84 × 26,987.16
  4. Step 4: Simplify right side
    31,777.20x = 1,180,764,893.53
  5. Step 5: Solve for x
    x = 1,180,764,893.53/31,777.20
  6. Step 6: Final answer
    x = 37,157.61

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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.