Home / 72,717.44-109,064.01-20,132.24

Finding the Fourth Proportional to 72,717.44, 109,064.01 and 20,132.24

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Solution

The fourth proportional to 72,717.44, 109,064.01 and 20,132.24 is: 30,195.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,717.44 : 109,064.01 = 20,132.24 : x
  2. Step 2: Convert to fraction form
    72,717.44/109,064.01 = 20,132.24/x
  3. Step 3: Cross multiply
    72,717.44x = 109,064.01 × 20,132.24
  4. Step 4: Simplify right side
    72,717.44x = 2,195,702,824.68
  5. Step 5: Solve for x
    x = 2,195,702,824.68/72,717.44
  6. Step 6: Final answer
    x = 30,195.00

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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.