Home / 57,865.32-79,827.66-33,991.56

Finding the Fourth Proportional to 57,865.32, 79,827.66 and 33,991.56

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Solution

The fourth proportional to 57,865.32, 79,827.66 and 33,991.56 is: 46,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,865.32 : 79,827.66 = 33,991.56 : x
  2. Step 2: Convert to fraction form
    57,865.32/79,827.66 = 33,991.56/x
  3. Step 3: Cross multiply
    57,865.32x = 79,827.66 × 33,991.56
  4. Step 4: Simplify right side
    57,865.32x = 2,713,466,694.55
  5. Step 5: Solve for x
    x = 2,713,466,694.55/57,865.32
  6. Step 6: Final answer
    x = 46,892.80

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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.