Home / 36,021.18-54,037.17-12,645.75

Finding the Fourth Proportional to 36,021.18, 54,037.17 and 12,645.75

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Solution

The fourth proportional to 36,021.18, 54,037.17 and 12,645.75 is: 18,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,021.18 : 54,037.17 = 12,645.75 : x
  2. Step 2: Convert to fraction form
    36,021.18/54,037.17 = 12,645.75/x
  3. Step 3: Cross multiply
    36,021.18x = 54,037.17 × 12,645.75
  4. Step 4: Simplify right side
    36,021.18x = 683,340,542.53
  5. Step 5: Solve for x
    x = 683,340,542.53/36,021.18
  6. Step 6: Final answer
    x = 18,970.52

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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.