Home / 31,341.96-43,247.64-17,912.28

Finding the Fourth Proportional to 31,341.96, 43,247.64 and 17,912.28

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Solution

The fourth proportional to 31,341.96, 43,247.64 and 17,912.28 is: 24,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.96 : 43,247.64 = 17,912.28 : x
  2. Step 2: Convert to fraction form
    31,341.96/43,247.64 = 17,912.28/x
  3. Step 3: Cross multiply
    31,341.96x = 43,247.64 × 17,912.28
  4. Step 4: Simplify right side
    31,341.96x = 774,663,837.02
  5. Step 5: Solve for x
    x = 774,663,837.02/31,341.96
  6. Step 6: Final answer
    x = 24,716.51

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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.