Home / 38,922.29-58,391.64-12,624.99

Finding the Fourth Proportional to 38,922.29, 58,391.64 and 12,624.99

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Solution

The fourth proportional to 38,922.29, 58,391.64 and 12,624.99 is: 18,940.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,922.29 : 58,391.64 = 12,624.99 : x
  2. Step 2: Convert to fraction form
    38,922.29/58,391.64 = 12,624.99/x
  3. Step 3: Cross multiply
    38,922.29x = 58,391.64 × 12,624.99
  4. Step 4: Simplify right side
    38,922.29x = 737,193,652.11
  5. Step 5: Solve for x
    x = 737,193,652.11/38,922.29
  6. Step 6: Final answer
    x = 18,940.14

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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.