Home / 31,370.16-43,289.46-17,223.24

Finding the Fourth Proportional to 31,370.16, 43,289.46 and 17,223.24

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Solution

The fourth proportional to 31,370.16, 43,289.46 and 17,223.24 is: 23,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.16 : 43,289.46 = 17,223.24 : x
  2. Step 2: Convert to fraction form
    31,370.16/43,289.46 = 17,223.24/x
  3. Step 3: Cross multiply
    31,370.16x = 43,289.46 × 17,223.24
  4. Step 4: Simplify right side
    31,370.16x = 745,584,759.05
  5. Step 5: Solve for x
    x = 745,584,759.05/31,370.16
  6. Step 6: Final answer
    x = 23,767.32

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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.