Home / 48,732.72-67,239.72-28,588.56

Finding the Fourth Proportional to 48,732.72, 67,239.72 and 28,588.56

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Solution

The fourth proportional to 48,732.72, 67,239.72 and 28,588.56 is: 39,445.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,732.72 : 67,239.72 = 28,588.56 : x
  2. Step 2: Convert to fraction form
    48,732.72/67,239.72 = 28,588.56/x
  3. Step 3: Cross multiply
    48,732.72x = 67,239.72 × 28,588.56
  4. Step 4: Simplify right side
    48,732.72x = 1,922,286,769.60
  5. Step 5: Solve for x
    x = 1,922,286,769.60/48,732.72
  6. Step 6: Final answer
    x = 39,445.51

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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.