Home / 20,260.64-30,552.98-19,983.44

Finding the Fourth Proportional to 20,260.64, 30,552.98 and 19,983.44

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Solution

The fourth proportional to 20,260.64, 30,552.98 and 19,983.44 is: 30,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.64 : 30,552.98 = 19,983.44 : x
  2. Step 2: Convert to fraction form
    20,260.64/30,552.98 = 19,983.44/x
  3. Step 3: Cross multiply
    20,260.64x = 30,552.98 × 19,983.44
  4. Step 4: Simplify right side
    20,260.64x = 610,553,642.65
  5. Step 5: Solve for x
    x = 610,553,642.65/20,260.64
  6. Step 6: Final answer
    x = 30,134.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.