Home / 31,553.44-43,543.89-17,406.28

Finding the Fourth Proportional to 31,553.44, 43,543.89 and 17,406.28

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Solution

The fourth proportional to 31,553.44, 43,543.89 and 17,406.28 is: 24,020.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.44 : 43,543.89 = 17,406.28 : x
  2. Step 2: Convert to fraction form
    31,553.44/43,543.89 = 17,406.28/x
  3. Step 3: Cross multiply
    31,553.44x = 43,543.89 × 17,406.28
  4. Step 4: Simplify right side
    31,553.44x = 757,937,141.63
  5. Step 5: Solve for x
    x = 757,937,141.63/31,553.44
  6. Step 6: Final answer
    x = 24,020.75

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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.