Home / 36,037.98-49,731.90-20,122.68

Finding the Fourth Proportional to 36,037.98, 49,731.90 and 20,122.68

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Solution

The fourth proportional to 36,037.98, 49,731.90 and 20,122.68 is: 27,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,037.98 : 49,731.90 = 20,122.68 : x
  2. Step 2: Convert to fraction form
    36,037.98/49,731.90 = 20,122.68/x
  3. Step 3: Cross multiply
    36,037.98x = 49,731.90 × 20,122.68
  4. Step 4: Simplify right side
    36,037.98x = 1,000,739,109.49
  5. Step 5: Solve for x
    x = 1,000,739,109.49/36,037.98
  6. Step 6: Final answer
    x = 27,769.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.