Home / 36,099.45-54,135.69-12,400.27

Finding the Fourth Proportional to 36,099.45, 54,135.69 and 12,400.27

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Solution

The fourth proportional to 36,099.45, 54,135.69 and 12,400.27 is: 18,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,099.45 : 54,135.69 = 12,400.27 : x
  2. Step 2: Convert to fraction form
    36,099.45/54,135.69 = 12,400.27/x
  3. Step 3: Cross multiply
    36,099.45x = 54,135.69 × 12,400.27
  4. Step 4: Simplify right side
    36,099.45x = 671,296,839.96
  5. Step 5: Solve for x
    x = 671,296,839.96/36,099.45
  6. Step 6: Final answer
    x = 18,595.77

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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.