Home / 51,212.72-76,819.08-16,155.10

Finding the Fourth Proportional to 51,212.72, 76,819.08 and 16,155.10

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Solution

The fourth proportional to 51,212.72, 76,819.08 and 16,155.10 is: 24,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.72 : 76,819.08 = 16,155.10 : x
  2. Step 2: Convert to fraction form
    51,212.72/76,819.08 = 16,155.10/x
  3. Step 3: Cross multiply
    51,212.72x = 76,819.08 × 16,155.10
  4. Step 4: Simplify right side
    51,212.72x = 1,241,019,919.31
  5. Step 5: Solve for x
    x = 1,241,019,919.31/51,212.72
  6. Step 6: Final answer
    x = 24,232.65

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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.