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Finding the Fourth Proportional to 35,597.68, 49,121.04 and 19,679.56

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Solution

The fourth proportional to 35,597.68, 49,121.04 and 19,679.56 is: 27,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,597.68 : 49,121.04 = 19,679.56 : x
  2. Step 2: Convert to fraction form
    35,597.68/49,121.04 = 19,679.56/x
  3. Step 3: Cross multiply
    35,597.68x = 49,121.04 × 19,679.56
  4. Step 4: Simplify right side
    35,597.68x = 966,680,453.94
  5. Step 5: Solve for x
    x = 966,680,453.94/35,597.68
  6. Step 6: Final answer
    x = 27,155.72

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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.