Home / 38,997.11-58,499.77-12,346.77

Finding the Fourth Proportional to 38,997.11, 58,499.77 and 12,346.77

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Solution

The fourth proportional to 38,997.11, 58,499.77 and 12,346.77 is: 18,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,997.11 : 58,499.77 = 12,346.77 : x
  2. Step 2: Convert to fraction form
    38,997.11/58,499.77 = 12,346.77/x
  3. Step 3: Cross multiply
    38,997.11x = 58,499.77 × 12,346.77
  4. Step 4: Simplify right side
    38,997.11x = 722,283,414.83
  5. Step 5: Solve for x
    x = 722,283,414.83/38,997.11
  6. Step 6: Final answer
    x = 18,521.46

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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.