Home / 31,552.94-43,543.20-17,405.78

Finding the Fourth Proportional to 31,552.94, 43,543.20 and 17,405.78

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Solution

The fourth proportional to 31,552.94, 43,543.20 and 17,405.78 is: 24,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,552.94 : 43,543.20 = 17,405.78 : x
  2. Step 2: Convert to fraction form
    31,552.94/43,543.20 = 17,405.78/x
  3. Step 3: Cross multiply
    31,552.94x = 43,543.20 × 17,405.78
  4. Step 4: Simplify right side
    31,552.94x = 757,903,359.70
  5. Step 5: Solve for x
    x = 757,903,359.70/31,552.94
  6. Step 6: Final answer
    x = 24,020.06

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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.