Home / 31,852.92-43,953.66-18,422.04

Finding the Fourth Proportional to 31,852.92, 43,953.66 and 18,422.04

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Solution

The fourth proportional to 31,852.92, 43,953.66 and 18,422.04 is: 25,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.92 : 43,953.66 = 18,422.04 : x
  2. Step 2: Convert to fraction form
    31,852.92/43,953.66 = 18,422.04/x
  3. Step 3: Cross multiply
    31,852.92x = 43,953.66 × 18,422.04
  4. Step 4: Simplify right side
    31,852.92x = 809,716,082.67
  5. Step 5: Solve for x
    x = 809,716,082.67/31,852.92
  6. Step 6: Final answer
    x = 25,420.47

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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.