Home / 73,086.24-109,621.20-20,497.76

Finding the Fourth Proportional to 73,086.24, 109,621.20 and 20,497.76

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Solution

The fourth proportional to 73,086.24, 109,621.20 and 20,497.76 is: 30,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,086.24 : 109,621.20 = 20,497.76 : x
  2. Step 2: Convert to fraction form
    73,086.24/109,621.20 = 20,497.76/x
  3. Step 3: Cross multiply
    73,086.24x = 109,621.20 × 20,497.76
  4. Step 4: Simplify right side
    73,086.24x = 2,246,989,048.51
  5. Step 5: Solve for x
    x = 2,246,989,048.51/73,086.24
  6. Step 6: Final answer
    x = 30,744.35

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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.