Home / 31,366.52-43,266.11-18,610.67

Finding the Fourth Proportional to 31,366.52, 43,266.11 and 18,610.67

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Solution

The fourth proportional to 31,366.52, 43,266.11 and 18,610.67 is: 25,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,366.52 : 43,266.11 = 18,610.67 : x
  2. Step 2: Convert to fraction form
    31,366.52/43,266.11 = 18,610.67/x
  3. Step 3: Cross multiply
    31,366.52x = 43,266.11 × 18,610.67
  4. Step 4: Simplify right side
    31,366.52x = 805,211,310.51
  5. Step 5: Solve for x
    x = 805,211,310.51/31,366.52
  6. Step 6: Final answer
    x = 25,671.04

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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.