Home / 38,173.17-52,678.92-21,179.98

Finding the Fourth Proportional to 38,173.17, 52,678.92 and 21,179.98

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Solution

The fourth proportional to 38,173.17, 52,678.92 and 21,179.98 is: 29,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,173.17 : 52,678.92 = 21,179.98 : x
  2. Step 2: Convert to fraction form
    38,173.17/52,678.92 = 21,179.98/x
  3. Step 3: Cross multiply
    38,173.17x = 52,678.92 × 21,179.98
  4. Step 4: Simplify right side
    38,173.17x = 1,115,738,617.30
  5. Step 5: Solve for x
    x = 1,115,738,617.30/38,173.17
  6. Step 6: Final answer
    x = 29,228.34

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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.