Home / 31,161.42-43,002.63-17,014.32

Finding the Fourth Proportional to 31,161.42, 43,002.63 and 17,014.32

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Solution

The fourth proportional to 31,161.42, 43,002.63 and 17,014.32 is: 23,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.42 : 43,002.63 = 17,014.32 : x
  2. Step 2: Convert to fraction form
    31,161.42/43,002.63 = 17,014.32/x
  3. Step 3: Cross multiply
    31,161.42x = 43,002.63 × 17,014.32
  4. Step 4: Simplify right side
    31,161.42x = 731,660,507.66
  5. Step 5: Solve for x
    x = 731,660,507.66/31,161.42
  6. Step 6: Final answer
    x = 23,479.69

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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.