Home / 31,719.48-43,772.46-17,572.26

Finding the Fourth Proportional to 31,719.48, 43,772.46 and 17,572.26

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Solution

The fourth proportional to 31,719.48, 43,772.46 and 17,572.26 is: 24,249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.48 : 43,772.46 = 17,572.26 : x
  2. Step 2: Convert to fraction form
    31,719.48/43,772.46 = 17,572.26/x
  3. Step 3: Cross multiply
    31,719.48x = 43,772.46 × 17,572.26
  4. Step 4: Simplify right side
    31,719.48x = 769,181,047.96
  5. Step 5: Solve for x
    x = 769,181,047.96/31,719.48
  6. Step 6: Final answer
    x = 24,249.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.