Home / 48,931.28-67,538.46-28,794.64

Finding the Fourth Proportional to 48,931.28, 67,538.46 and 28,794.64

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Solution

The fourth proportional to 48,931.28, 67,538.46 and 28,794.64 is: 39,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.28 : 67,538.46 = 28,794.64 : x
  2. Step 2: Convert to fraction form
    48,931.28/67,538.46 = 28,794.64/x
  3. Step 3: Cross multiply
    48,931.28x = 67,538.46 × 28,794.64
  4. Step 4: Simplify right side
    48,931.28x = 1,944,745,641.85
  5. Step 5: Solve for x
    x = 1,944,745,641.85/48,931.28
  6. Step 6: Final answer
    x = 39,744.43

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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.