Home / 48,480.72-66,908.66-28,344.39

Finding the Fourth Proportional to 48,480.72, 66,908.66 and 28,344.39

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Solution

The fourth proportional to 48,480.72, 66,908.66 and 28,344.39 is: 39,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,480.72 : 66,908.66 = 28,344.39 : x
  2. Step 2: Convert to fraction form
    48,480.72/66,908.66 = 28,344.39/x
  3. Step 3: Cross multiply
    48,480.72x = 66,908.66 × 28,344.39
  4. Step 4: Simplify right side
    48,480.72x = 1,896,485,011.70
  5. Step 5: Solve for x
    x = 1,896,485,011.70/48,480.72
  6. Step 6: Final answer
    x = 39,118.33

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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.