Home / 31,370.36-43,291.17-17,224.12

Finding the Fourth Proportional to 31,370.36, 43,291.17 and 17,224.12

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Solution

The fourth proportional to 31,370.36, 43,291.17 and 17,224.12 is: 23,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.36 : 43,291.17 = 17,224.12 : x
  2. Step 2: Convert to fraction form
    31,370.36/43,291.17 = 17,224.12/x
  3. Step 3: Cross multiply
    31,370.36x = 43,291.17 × 17,224.12
  4. Step 4: Simplify right side
    31,370.36x = 745,652,307.02
  5. Step 5: Solve for x
    x = 745,652,307.02/31,370.36
  6. Step 6: Final answer
    x = 23,769.33

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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.