Home / 35,917.11-49,565.34-20,809.45

Finding the Fourth Proportional to 35,917.11, 49,565.34 and 20,809.45

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Solution

The fourth proportional to 35,917.11, 49,565.34 and 20,809.45 is: 28,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,917.11 : 49,565.34 = 20,809.45 : x
  2. Step 2: Convert to fraction form
    35,917.11/49,565.34 = 20,809.45/x
  3. Step 3: Cross multiply
    35,917.11x = 49,565.34 × 20,809.45
  4. Step 4: Simplify right side
    35,917.11x = 1,031,427,340.55
  5. Step 5: Solve for x
    x = 1,031,427,340.55/35,917.11
  6. Step 6: Final answer
    x = 28,716.88

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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.