Home / 38,174.82-57,262.22-20,678.82

Finding the Fourth Proportional to 38,174.82, 57,262.22 and 20,678.82

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Solution

The fourth proportional to 38,174.82, 57,262.22 and 20,678.82 is: 31,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.82 : 57,262.22 = 20,678.82 : x
  2. Step 2: Convert to fraction form
    38,174.82/57,262.22 = 20,678.82/x
  3. Step 3: Cross multiply
    38,174.82x = 57,262.22 × 20,678.82
  4. Step 4: Simplify right side
    38,174.82x = 1,184,115,140.18
  5. Step 5: Solve for x
    x = 1,184,115,140.18/38,174.82
  6. Step 6: Final answer
    x = 31,018.22

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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.