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Finding the Fourth Proportional to 48,955.62, 67,558.59 and 27,738.93

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Solution

The fourth proportional to 48,955.62, 67,558.59 and 27,738.93 is: 38,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,955.62 : 67,558.59 = 27,738.93 : x
  2. Step 2: Convert to fraction form
    48,955.62/67,558.59 = 27,738.93/x
  3. Step 3: Cross multiply
    48,955.62x = 67,558.59 × 27,738.93
  4. Step 4: Simplify right side
    48,955.62x = 1,874,002,998.91
  5. Step 5: Solve for x
    x = 1,874,002,998.91/48,955.62
  6. Step 6: Final answer
    x = 38,279.63

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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.