Home / 48,387.44-72,551.66-21,728.24

Finding the Fourth Proportional to 48,387.44, 72,551.66 and 21,728.24

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Solution

The fourth proportional to 48,387.44, 72,551.66 and 21,728.24 is: 32,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387.44 : 72,551.66 = 21,728.24 : x
  2. Step 2: Convert to fraction form
    48,387.44/72,551.66 = 21,728.24/x
  3. Step 3: Cross multiply
    48,387.44x = 72,551.66 × 21,728.24
  4. Step 4: Simplify right side
    48,387.44x = 1,576,419,953.62
  5. Step 5: Solve for x
    x = 1,576,419,953.62/48,387.44
  6. Step 6: Final answer
    x = 32,579.12

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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.