Home / 38,393.73-52,983.62-21,399.07

Finding the Fourth Proportional to 38,393.73, 52,983.62 and 21,399.07

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Solution

The fourth proportional to 38,393.73, 52,983.62 and 21,399.07 is: 29,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393.73 : 52,983.62 = 21,399.07 : x
  2. Step 2: Convert to fraction form
    38,393.73/52,983.62 = 21,399.07/x
  3. Step 3: Cross multiply
    38,393.73x = 52,983.62 × 21,399.07
  4. Step 4: Simplify right side
    38,393.73x = 1,133,800,152.47
  5. Step 5: Solve for x
    x = 1,133,800,152.47/38,393.73
  6. Step 6: Final answer
    x = 29,530.87

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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.