Home / 20,037.20-29,998.20-19,461.20

Finding the Fourth Proportional to 20,037.20, 29,998.20 and 19,461.20

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Solution

The fourth proportional to 20,037.20, 29,998.20 and 19,461.20 is: 29,135.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.20 : 29,998.20 = 19,461.20 : x
  2. Step 2: Convert to fraction form
    20,037.20/29,998.20 = 19,461.20/x
  3. Step 3: Cross multiply
    20,037.20x = 29,998.20 × 19,461.20
  4. Step 4: Simplify right side
    20,037.20x = 583,800,969.84
  5. Step 5: Solve for x
    x = 583,800,969.84/20,037.20
  6. Step 6: Final answer
    x = 29,135.86

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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.