Home / 31,420.13-43,360.08-17,273.27

Finding the Fourth Proportional to 31,420.13, 43,360.08 and 17,273.27

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Solution

The fourth proportional to 31,420.13, 43,360.08 and 17,273.27 is: 23,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,420.13 : 43,360.08 = 17,273.27 : x
  2. Step 2: Convert to fraction form
    31,420.13/43,360.08 = 17,273.27/x
  3. Step 3: Cross multiply
    31,420.13x = 43,360.08 × 17,273.27
  4. Step 4: Simplify right side
    31,420.13x = 748,970,412.69
  5. Step 5: Solve for x
    x = 748,970,412.69/31,420.13
  6. Step 6: Final answer
    x = 23,837.28

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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.