Home / 56,644.20-78,150.30-32,753.97

Finding the Fourth Proportional to 56,644.20, 78,150.30 and 32,753.97

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Solution

The fourth proportional to 56,644.20, 78,150.30 and 32,753.97 is: 45,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,644.20 : 78,150.30 = 32,753.97 : x
  2. Step 2: Convert to fraction form
    56,644.20/78,150.30 = 32,753.97/x
  3. Step 3: Cross multiply
    56,644.20x = 78,150.30 × 32,753.97
  4. Step 4: Simplify right side
    56,644.20x = 2,559,732,581.69
  5. Step 5: Solve for x
    x = 2,559,732,581.69/56,644.20
  6. Step 6: Final answer
    x = 45,189.67

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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.