Home / 35,581.90-49,099.62-19,663.78

Finding the Fourth Proportional to 35,581.90, 49,099.62 and 19,663.78

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Solution

The fourth proportional to 35,581.90, 49,099.62 and 19,663.78 is: 27,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,581.90 : 49,099.62 = 19,663.78 : x
  2. Step 2: Convert to fraction form
    35,581.90/49,099.62 = 19,663.78/x
  3. Step 3: Cross multiply
    35,581.90x = 49,099.62 × 19,663.78
  4. Step 4: Simplify right side
    35,581.90x = 965,484,125.76
  5. Step 5: Solve for x
    x = 965,484,125.76/35,581.90
  6. Step 6: Final answer
    x = 27,134.14

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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.