Home / 31,429.46-43,360.28-17,993.47

Finding the Fourth Proportional to 31,429.46, 43,360.28 and 17,993.47

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Solution

The fourth proportional to 31,429.46, 43,360.28 and 17,993.47 is: 24,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.46 : 43,360.28 = 17,993.47 : x
  2. Step 2: Convert to fraction form
    31,429.46/43,360.28 = 17,993.47/x
  3. Step 3: Cross multiply
    31,429.46x = 43,360.28 × 17,993.47
  4. Step 4: Simplify right side
    31,429.46x = 780,201,897.37
  5. Step 5: Solve for x
    x = 780,201,897.37/31,429.46
  6. Step 6: Final answer
    x = 24,823.90

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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.