Home / 36,320.69-54,481.03-12,930.72

Finding the Fourth Proportional to 36,320.69, 54,481.03 and 12,930.72

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Solution

The fourth proportional to 36,320.69, 54,481.03 and 12,930.72 is: 19,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,320.69 : 54,481.03 = 12,930.72 : x
  2. Step 2: Convert to fraction form
    36,320.69/54,481.03 = 12,930.72/x
  3. Step 3: Cross multiply
    36,320.69x = 54,481.03 × 12,930.72
  4. Step 4: Simplify right side
    36,320.69x = 704,478,944.24
  5. Step 5: Solve for x
    x = 704,478,944.24/36,320.69
  6. Step 6: Final answer
    x = 19,396.08

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1.5x scale

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.