Home / 73,236.24-109,856.52-20,644.56

Finding the Fourth Proportional to 73,236.24, 109,856.52 and 20,644.56

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Solution

The fourth proportional to 73,236.24, 109,856.52 and 20,644.56 is: 30,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,236.24 : 109,856.52 = 20,644.56 : x
  2. Step 2: Convert to fraction form
    73,236.24/109,856.52 = 20,644.56/x
  3. Step 3: Cross multiply
    73,236.24x = 109,856.52 × 20,644.56
  4. Step 4: Simplify right side
    73,236.24x = 2,267,939,518.53
  5. Step 5: Solve for x
    x = 2,267,939,518.53/73,236.24
  6. Step 6: Final answer
    x = 30,967.45

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1.5x scale

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.