Home / 31,543.70-43,531.59-17,397.44

Finding the Fourth Proportional to 31,543.70, 43,531.59 and 17,397.44

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Solution

The fourth proportional to 31,543.70, 43,531.59 and 17,397.44 is: 24,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.70 : 43,531.59 = 17,397.44 : x
  2. Step 2: Convert to fraction form
    31,543.70/43,531.59 = 17,397.44/x
  3. Step 3: Cross multiply
    31,543.70x = 43,531.59 × 17,397.44
  4. Step 4: Simplify right side
    31,543.70x = 757,338,225.13
  5. Step 5: Solve for x
    x = 757,338,225.13/31,543.70
  6. Step 6: Final answer
    x = 24,009.18

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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.