Home / 31,543.19-43,528.40-17,396.04

Finding the Fourth Proportional to 31,543.19, 43,528.40 and 17,396.04

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Solution

The fourth proportional to 31,543.19, 43,528.40 and 17,396.04 is: 24,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.19 : 43,528.40 = 17,396.04 : x
  2. Step 2: Convert to fraction form
    31,543.19/43,528.40 = 17,396.04/x
  3. Step 3: Cross multiply
    31,543.19x = 43,528.40 × 17,396.04
  4. Step 4: Simplify right side
    31,543.19x = 757,221,693.34
  5. Step 5: Solve for x
    x = 757,221,693.34/31,543.19
  6. Step 6: Final answer
    x = 24,005.87

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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.