Home / 73,972.36-110,977.20-21,381.52

Finding the Fourth Proportional to 73,972.36, 110,977.20 and 21,381.52

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Solution

The fourth proportional to 73,972.36, 110,977.20 and 21,381.52 is: 32,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,972.36 : 110,977.20 = 21,381.52 : x
  2. Step 2: Convert to fraction form
    73,972.36/110,977.20 = 21,381.52/x
  3. Step 3: Cross multiply
    73,972.36x = 110,977.20 × 21,381.52
  4. Step 4: Simplify right side
    73,972.36x = 2,372,861,221.34
  5. Step 5: Solve for x
    x = 2,372,861,221.34/73,972.36
  6. Step 6: Final answer
    x = 32,077.67

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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.