Home / 48,355.11-66,724.09-28,216.89

Finding the Fourth Proportional to 48,355.11, 66,724.09 and 28,216.89

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Solution

The fourth proportional to 48,355.11, 66,724.09 and 28,216.89 is: 38,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,355.11 : 66,724.09 = 28,216.89 : x
  2. Step 2: Convert to fraction form
    48,355.11/66,724.09 = 28,216.89/x
  3. Step 3: Cross multiply
    48,355.11x = 66,724.09 × 28,216.89
  4. Step 4: Simplify right side
    48,355.11x = 1,882,746,237.34
  5. Step 5: Solve for x
    x = 1,882,746,237.34/48,355.11
  6. Step 6: Final answer
    x = 38,935.83

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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.