Home / 31,168.13-43,012.24-17,020.98

Finding the Fourth Proportional to 31,168.13, 43,012.24 and 17,020.98

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Solution

The fourth proportional to 31,168.13, 43,012.24 and 17,020.98 is: 23,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,168.13 : 43,012.24 = 17,020.98 : x
  2. Step 2: Convert to fraction form
    31,168.13/43,012.24 = 17,020.98/x
  3. Step 3: Cross multiply
    31,168.13x = 43,012.24 × 17,020.98
  4. Step 4: Simplify right side
    31,168.13x = 732,110,434.24
  5. Step 5: Solve for x
    x = 732,110,434.24/31,168.13
  6. Step 6: Final answer
    x = 23,489.08

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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.