Home / 37,099.49-51,199.82-20,961.21

Finding the Fourth Proportional to 37,099.49, 51,199.82 and 20,961.21

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Solution

The fourth proportional to 37,099.49, 51,199.82 and 20,961.21 is: 28,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,099.49 : 51,199.82 = 20,961.21 : x
  2. Step 2: Convert to fraction form
    37,099.49/51,199.82 = 20,961.21/x
  3. Step 3: Cross multiply
    37,099.49x = 51,199.82 × 20,961.21
  4. Step 4: Simplify right side
    37,099.49x = 1,073,210,074.18
  5. Step 5: Solve for x
    x = 1,073,210,074.18/37,099.49
  6. Step 6: Final answer
    x = 28,927.90

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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.