Home / 35,917.17-49,562.52-20,805

Finding the Fourth Proportional to 35,917.17, 49,562.52 and 20,805

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Solution

The fourth proportional to 35,917.17, 49,562.52 and 20,805 is: 28,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,917.17 : 49,562.52 = 20,805 : x
  2. Step 2: Convert to fraction form
    35,917.17/49,562.52 = 20,805/x
  3. Step 3: Cross multiply
    35,917.17x = 49,562.52 × 20,805
  4. Step 4: Simplify right side
    35,917.17x = 1,031,148,228.60
  5. Step 5: Solve for x
    x = 1,031,148,228.60/35,917.17
  6. Step 6: Final answer
    x = 28,709.06

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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.