Home / 31,392.56-43,322.04-17,245.71

Finding the Fourth Proportional to 31,392.56, 43,322.04 and 17,245.71

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Solution

The fourth proportional to 31,392.56, 43,322.04 and 17,245.71 is: 23,799.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.56 : 43,322.04 = 17,245.71 : x
  2. Step 2: Convert to fraction form
    31,392.56/43,322.04 = 17,245.71/x
  3. Step 3: Cross multiply
    31,392.56x = 43,322.04 × 17,245.71
  4. Step 4: Simplify right side
    31,392.56x = 747,119,338.45
  5. Step 5: Solve for x
    x = 747,119,338.45/31,392.56
  6. Step 6: Final answer
    x = 23,799.25

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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.