Home / 38,997.78-53,822.25-23,891.28

Finding the Fourth Proportional to 38,997.78, 53,822.25 and 23,891.28

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Solution

The fourth proportional to 38,997.78, 53,822.25 and 23,891.28 is: 32,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,997.78 : 53,822.25 = 23,891.28 : x
  2. Step 2: Convert to fraction form
    38,997.78/53,822.25 = 23,891.28/x
  3. Step 3: Cross multiply
    38,997.78x = 53,822.25 × 23,891.28
  4. Step 4: Simplify right side
    38,997.78x = 1,285,882,444.98
  5. Step 5: Solve for x
    x = 1,285,882,444.98/38,997.78
  6. Step 6: Final answer
    x = 32,973.22

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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.