Home / 31,263.72-43,143.93-17,116.56

Finding the Fourth Proportional to 31,263.72, 43,143.93 and 17,116.56

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Solution

The fourth proportional to 31,263.72, 43,143.93 and 17,116.56 is: 23,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.72 : 43,143.93 = 17,116.56 : x
  2. Step 2: Convert to fraction form
    31,263.72/43,143.93 = 17,116.56/x
  3. Step 3: Cross multiply
    31,263.72x = 43,143.93 × 17,116.56
  4. Step 4: Simplify right side
    31,263.72x = 738,475,892.46
  5. Step 5: Solve for x
    x = 738,475,892.46/31,263.72
  6. Step 6: Final answer
    x = 23,620.86

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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.