Home / 31,543.20-43,530.90-17,396.94

Finding the Fourth Proportional to 31,543.20, 43,530.90 and 17,396.94

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Solution

The fourth proportional to 31,543.20, 43,530.90 and 17,396.94 is: 24,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.20 : 43,530.90 = 17,396.94 : x
  2. Step 2: Convert to fraction form
    31,543.20/43,530.90 = 17,396.94/x
  3. Step 3: Cross multiply
    31,543.20x = 43,530.90 × 17,396.94
  4. Step 4: Simplify right side
    31,543.20x = 757,304,455.45
  5. Step 5: Solve for x
    x = 757,304,455.45/31,543.20
  6. Step 6: Final answer
    x = 24,008.49

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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.