Home / 31,371.48-43,292.79-17,224.31

Finding the Fourth Proportional to 31,371.48, 43,292.79 and 17,224.31

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Solution

The fourth proportional to 31,371.48, 43,292.79 and 17,224.31 is: 23,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.48 : 43,292.79 = 17,224.31 : x
  2. Step 2: Convert to fraction form
    31,371.48/43,292.79 = 17,224.31/x
  3. Step 3: Cross multiply
    31,371.48x = 43,292.79 × 17,224.31
  4. Step 4: Simplify right side
    31,371.48x = 745,688,543.96
  5. Step 5: Solve for x
    x = 745,688,543.96/31,371.48
  6. Step 6: Final answer
    x = 23,769.63

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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.