Home / 31,161.18-43,002.07-17,014.03

Finding the Fourth Proportional to 31,161.18, 43,002.07 and 17,014.03

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Solution

The fourth proportional to 31,161.18, 43,002.07 and 17,014.03 is: 23,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.18 : 43,002.07 = 17,014.03 : x
  2. Step 2: Convert to fraction form
    31,161.18/43,002.07 = 17,014.03/x
  3. Step 3: Cross multiply
    31,161.18x = 43,002.07 × 17,014.03
  4. Step 4: Simplify right side
    31,161.18x = 731,638,509.04
  5. Step 5: Solve for x
    x = 731,638,509.04/31,161.18
  6. Step 6: Final answer
    x = 23,479.17

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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.