Home / 35,778.62-49,372.02-19,861.81

Finding the Fourth Proportional to 35,778.62, 49,372.02 and 19,861.81

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Solution

The fourth proportional to 35,778.62, 49,372.02 and 19,861.81 is: 27,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.62 : 49,372.02 = 19,861.81 : x
  2. Step 2: Convert to fraction form
    35,778.62/49,372.02 = 19,861.81/x
  3. Step 3: Cross multiply
    35,778.62x = 49,372.02 × 19,861.81
  4. Step 4: Simplify right side
    35,778.62x = 980,617,680.56
  5. Step 5: Solve for x
    x = 980,617,680.56/35,778.62
  6. Step 6: Final answer
    x = 27,407.92

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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.