Home / 48,057.93-72,090.56-12,997.28

Finding the Fourth Proportional to 48,057.93, 72,090.56 and 12,997.28

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Solution

The fourth proportional to 48,057.93, 72,090.56 and 12,997.28 is: 19,496.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,057.93 : 72,090.56 = 12,997.28 : x
  2. Step 2: Convert to fraction form
    48,057.93/72,090.56 = 12,997.28/x
  3. Step 3: Cross multiply
    48,057.93x = 72,090.56 × 12,997.28
  4. Step 4: Simplify right side
    48,057.93x = 936,981,193.68
  5. Step 5: Solve for x
    x = 936,981,193.68/48,057.93
  6. Step 6: Final answer
    x = 19,496.91

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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.