Home / 38,784.60-58,176.90-11,082.60

Finding the Fourth Proportional to 38,784.60, 58,176.90 and 11,082.60

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Solution

The fourth proportional to 38,784.60, 58,176.90 and 11,082.60 is: 16,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784.60 : 58,176.90 = 11,082.60 : x
  2. Step 2: Convert to fraction form
    38,784.60/58,176.90 = 11,082.60/x
  3. Step 3: Cross multiply
    38,784.60x = 58,176.90 × 11,082.60
  4. Step 4: Simplify right side
    38,784.60x = 644,751,311.94
  5. Step 5: Solve for x
    x = 644,751,311.94/38,784.60
  6. Step 6: Final answer
    x = 16,623.90

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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.