Home / 38,922.02-58,391.22-12,624.71

Finding the Fourth Proportional to 38,922.02, 58,391.22 and 12,624.71

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Solution

The fourth proportional to 38,922.02, 58,391.22 and 12,624.71 is: 18,939.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,922.02 : 58,391.22 = 12,624.71 : x
  2. Step 2: Convert to fraction form
    38,922.02/58,391.22 = 12,624.71/x
  3. Step 3: Cross multiply
    38,922.02x = 58,391.22 × 12,624.71
  4. Step 4: Simplify right side
    38,922.02x = 737,171,927.09
  5. Step 5: Solve for x
    x = 737,171,927.09/38,922.02
  6. Step 6: Final answer
    x = 18,939.72

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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.