Home / 31,331.68-43,237.48-17,184.48

Finding the Fourth Proportional to 31,331.68, 43,237.48 and 17,184.48

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Solution

The fourth proportional to 31,331.68, 43,237.48 and 17,184.48 is: 23,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.68 : 43,237.48 = 17,184.48 : x
  2. Step 2: Convert to fraction form
    31,331.68/43,237.48 = 17,184.48/x
  3. Step 3: Cross multiply
    31,331.68x = 43,237.48 × 17,184.48
  4. Step 4: Simplify right side
    31,331.68x = 743,013,610.31
  5. Step 5: Solve for x
    x = 743,013,610.31/31,331.68
  6. Step 6: Final answer
    x = 23,714.45

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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.