Home / 48,979.62-73,467.81-21,277.62

Finding the Fourth Proportional to 48,979.62, 73,467.81 and 21,277.62

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Solution

The fourth proportional to 48,979.62, 73,467.81 and 21,277.62 is: 31,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,979.62 : 73,467.81 = 21,277.62 : x
  2. Step 2: Convert to fraction form
    48,979.62/73,467.81 = 21,277.62/x
  3. Step 3: Cross multiply
    48,979.62x = 73,467.81 × 21,277.62
  4. Step 4: Simplify right side
    48,979.62x = 1,563,220,143.41
  5. Step 5: Solve for x
    x = 1,563,220,143.41/48,979.62
  6. Step 6: Final answer
    x = 31,915.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.