Home / 31,393.39-43,321.08-17,245.93

Finding the Fourth Proportional to 31,393.39, 43,321.08 and 17,245.93

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Solution

The fourth proportional to 31,393.39, 43,321.08 and 17,245.93 is: 23,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393.39 : 43,321.08 = 17,245.93 : x
  2. Step 2: Convert to fraction form
    31,393.39/43,321.08 = 17,245.93/x
  3. Step 3: Cross multiply
    31,393.39x = 43,321.08 × 17,245.93
  4. Step 4: Simplify right side
    31,393.39x = 747,112,313.20
  5. Step 5: Solve for x
    x = 747,112,313.20/31,393.39
  6. Step 6: Final answer
    x = 23,798.40

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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.