Home / 31,392.68-43,322.18-17,245.51

Finding the Fourth Proportional to 31,392.68, 43,322.18 and 17,245.51

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Solution

The fourth proportional to 31,392.68, 43,322.18 and 17,245.51 is: 23,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.68 : 43,322.18 = 17,245.51 : x
  2. Step 2: Convert to fraction form
    31,392.68/43,322.18 = 17,245.51/x
  3. Step 3: Cross multiply
    31,392.68x = 43,322.18 × 17,245.51
  4. Step 4: Simplify right side
    31,392.68x = 747,112,893.88
  5. Step 5: Solve for x
    x = 747,112,893.88/31,392.68
  6. Step 6: Final answer
    x = 23,798.96

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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.