Home / 31,157.04-42,996.49-17,009.88

Finding the Fourth Proportional to 31,157.04, 42,996.49 and 17,009.88

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Solution

The fourth proportional to 31,157.04, 42,996.49 and 17,009.88 is: 23,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157.04 : 42,996.49 = 17,009.88 : x
  2. Step 2: Convert to fraction form
    31,157.04/42,996.49 = 17,009.88/x
  3. Step 3: Cross multiply
    31,157.04x = 42,996.49 × 17,009.88
  4. Step 4: Simplify right side
    31,157.04x = 731,365,135.32
  5. Step 5: Solve for x
    x = 731,365,135.32/31,157.04
  6. Step 6: Final answer
    x = 23,473.51

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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.