Home / 31,972.16-44,120.22-18,542.36

Finding the Fourth Proportional to 31,972.16, 44,120.22 and 18,542.36

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Solution

The fourth proportional to 31,972.16, 44,120.22 and 18,542.36 is: 25,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.16 : 44,120.22 = 18,542.36 : x
  2. Step 2: Convert to fraction form
    31,972.16/44,120.22 = 18,542.36/x
  3. Step 3: Cross multiply
    31,972.16x = 44,120.22 × 18,542.36
  4. Step 4: Simplify right side
    31,972.16x = 818,093,002.52
  5. Step 5: Solve for x
    x = 818,093,002.52/31,972.16
  6. Step 6: Final answer
    x = 25,587.67

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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.