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Finding the Fourth Proportional to 63,697.40, 95,521.80 and 19,309.40

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Solution

The fourth proportional to 63,697.40, 95,521.80 and 19,309.40 is: 28,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,697.40 : 95,521.80 = 19,309.40 : x
  2. Step 2: Convert to fraction form
    63,697.40/95,521.80 = 19,309.40/x
  3. Step 3: Cross multiply
    63,697.40x = 95,521.80 × 19,309.40
  4. Step 4: Simplify right side
    63,697.40x = 1,844,468,644.92
  5. Step 5: Solve for x
    x = 1,844,468,644.92/63,697.40
  6. Step 6: Final answer
    x = 28,956.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.