Home / 42,239.12-63,344.09-20,037.42

Finding the Fourth Proportional to 42,239.12, 63,344.09 and 20,037.42

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Solution

The fourth proportional to 42,239.12, 63,344.09 and 20,037.42 is: 30,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,239.12 : 63,344.09 = 20,037.42 : x
  2. Step 2: Convert to fraction form
    42,239.12/63,344.09 = 20,037.42/x
  3. Step 3: Cross multiply
    42,239.12x = 63,344.09 × 20,037.42
  4. Step 4: Simplify right side
    42,239.12x = 1,269,252,185.94
  5. Step 5: Solve for x
    x = 1,269,252,185.94/42,239.12
  6. Step 6: Final answer
    x = 30,049.21

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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.