Home / 52,672.36-78,956.22-21,529.96

Finding the Fourth Proportional to 52,672.36, 78,956.22 and 21,529.96

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Solution

The fourth proportional to 52,672.36, 78,956.22 and 21,529.96 is: 32,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,672.36 : 78,956.22 = 21,529.96 : x
  2. Step 2: Convert to fraction form
    52,672.36/78,956.22 = 21,529.96/x
  3. Step 3: Cross multiply
    52,672.36x = 78,956.22 × 21,529.96
  4. Step 4: Simplify right side
    52,672.36x = 1,699,924,258.35
  5. Step 5: Solve for x
    x = 1,699,924,258.35/52,672.36
  6. Step 6: Final answer
    x = 32,273.55

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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.