Home / 31,979.92-44,132.46-17,640.25

Finding the Fourth Proportional to 31,979.92, 44,132.46 and 17,640.25

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Solution

The fourth proportional to 31,979.92, 44,132.46 and 17,640.25 is: 24,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979.92 : 44,132.46 = 17,640.25 : x
  2. Step 2: Convert to fraction form
    31,979.92/44,132.46 = 17,640.25/x
  3. Step 3: Cross multiply
    31,979.92x = 44,132.46 × 17,640.25
  4. Step 4: Simplify right side
    31,979.92x = 778,507,798.50
  5. Step 5: Solve for x
    x = 778,507,798.50/31,979.92
  6. Step 6: Final answer
    x = 24,343.64

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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.