Home / 31,157.52-42,995.37-17,010.33

Finding the Fourth Proportional to 31,157.52, 42,995.37 and 17,010.33

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Solution

The fourth proportional to 31,157.52, 42,995.37 and 17,010.33 is: 23,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157.52 : 42,995.37 = 17,010.33 : x
  2. Step 2: Convert to fraction form
    31,157.52/42,995.37 = 17,010.33/x
  3. Step 3: Cross multiply
    31,157.52x = 42,995.37 × 17,010.33
  4. Step 4: Simplify right side
    31,157.52x = 731,365,432.17
  5. Step 5: Solve for x
    x = 731,365,432.17/31,157.52
  6. Step 6: Final answer
    x = 23,473.16

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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.