Home / 31,304.76-43,201.65-17,157.48

Finding the Fourth Proportional to 31,304.76, 43,201.65 and 17,157.48

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Solution

The fourth proportional to 31,304.76, 43,201.65 and 17,157.48 is: 23,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.76 : 43,201.65 = 17,157.48 : x
  2. Step 2: Convert to fraction form
    31,304.76/43,201.65 = 17,157.48/x
  3. Step 3: Cross multiply
    31,304.76x = 43,201.65 × 17,157.48
  4. Step 4: Simplify right side
    31,304.76x = 741,231,445.84
  5. Step 5: Solve for x
    x = 741,231,445.84/31,304.76
  6. Step 6: Final answer
    x = 23,677.91

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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.