Home / 31,207.62-43,063.47-17,777.82

Finding the Fourth Proportional to 31,207.62, 43,063.47 and 17,777.82

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Solution

The fourth proportional to 31,207.62, 43,063.47 and 17,777.82 is: 24,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207.62 : 43,063.47 = 17,777.82 : x
  2. Step 2: Convert to fraction form
    31,207.62/43,063.47 = 17,777.82/x
  3. Step 3: Cross multiply
    31,207.62x = 43,063.47 × 17,777.82
  4. Step 4: Simplify right side
    31,207.62x = 765,574,618.24
  5. Step 5: Solve for x
    x = 765,574,618.24/31,207.62
  6. Step 6: Final answer
    x = 24,531.66

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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.