Home / 48,979.50-67,607.09-27,772.89

Finding the Fourth Proportional to 48,979.50, 67,607.09 and 27,772.89

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Solution

The fourth proportional to 48,979.50, 67,607.09 and 27,772.89 is: 38,335.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,979.50 : 67,607.09 = 27,772.89 : x
  2. Step 2: Convert to fraction form
    48,979.50/67,607.09 = 27,772.89/x
  3. Step 3: Cross multiply
    48,979.50x = 67,607.09 × 27,772.89
  4. Step 4: Simplify right side
    48,979.50x = 1,877,644,273.79
  5. Step 5: Solve for x
    x = 1,877,644,273.79/48,979.50
  6. Step 6: Final answer
    x = 38,335.31

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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.