Home / 38,773.64-58,154.94-12,480.68

Finding the Fourth Proportional to 38,773.64, 58,154.94 and 12,480.68

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Solution

The fourth proportional to 38,773.64, 58,154.94 and 12,480.68 is: 18,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,773.64 : 58,154.94 = 12,480.68 : x
  2. Step 2: Convert to fraction form
    38,773.64/58,154.94 = 12,480.68/x
  3. Step 3: Cross multiply
    38,773.64x = 58,154.94 × 12,480.68
  4. Step 4: Simplify right side
    38,773.64x = 725,813,196.56
  5. Step 5: Solve for x
    x = 725,813,196.56/38,773.64
  6. Step 6: Final answer
    x = 18,719.24

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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.