Home / 31,157.19-42,996.65-17,010.02

Finding the Fourth Proportional to 31,157.19, 42,996.65 and 17,010.02

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Solution

The fourth proportional to 31,157.19, 42,996.65 and 17,010.02 is: 23,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157.19 : 42,996.65 = 17,010.02 : x
  2. Step 2: Convert to fraction form
    31,157.19/42,996.65 = 17,010.02/x
  3. Step 3: Cross multiply
    31,157.19x = 42,996.65 × 17,010.02
  4. Step 4: Simplify right side
    31,157.19x = 731,373,898.87
  5. Step 5: Solve for x
    x = 731,373,898.87/31,157.19
  6. Step 6: Final answer
    x = 23,473.68

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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.