Home / 31,372.07-43,290.75-17,941.15

Finding the Fourth Proportional to 31,372.07, 43,290.75 and 17,941.15

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Solution

The fourth proportional to 31,372.07, 43,290.75 and 17,941.15 is: 24,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.07 : 43,290.75 = 17,941.15 : x
  2. Step 2: Convert to fraction form
    31,372.07/43,290.75 = 17,941.15/x
  3. Step 3: Cross multiply
    31,372.07x = 43,290.75 × 17,941.15
  4. Step 4: Simplify right side
    31,372.07x = 776,685,960.76
  5. Step 5: Solve for x
    x = 776,685,960.76/31,372.07
  6. Step 6: Final answer
    x = 24,757.25

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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.