Home / 31,543.05-43,529.45-17,202.91

Finding the Fourth Proportional to 31,543.05, 43,529.45 and 17,202.91

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Solution

The fourth proportional to 31,543.05, 43,529.45 and 17,202.91 is: 23,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.05 : 43,529.45 = 17,202.91 : x
  2. Step 2: Convert to fraction form
    31,543.05/43,529.45 = 17,202.91/x
  3. Step 3: Cross multiply
    31,543.05x = 43,529.45 × 17,202.91
  4. Step 4: Simplify right side
    31,543.05x = 748,833,124.68
  5. Step 5: Solve for x
    x = 748,833,124.68/31,543.05
  6. Step 6: Final answer
    x = 23,740.04

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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.