Home / 63,948.45-95,931.42-21,817.22

Finding the Fourth Proportional to 63,948.45, 95,931.42 and 21,817.22

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Solution

The fourth proportional to 63,948.45, 95,931.42 and 21,817.22 is: 32,728.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,948.45 : 95,931.42 = 21,817.22 : x
  2. Step 2: Convert to fraction form
    63,948.45/95,931.42 = 21,817.22/x
  3. Step 3: Cross multiply
    63,948.45x = 95,931.42 × 21,817.22
  4. Step 4: Simplify right side
    63,948.45x = 2,092,956,415.40
  5. Step 5: Solve for x
    x = 2,092,956,415.40/63,948.45
  6. Step 6: Final answer
    x = 32,728.81

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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.