Home / 31,238.32-43,109.86-17,091.16

Finding the Fourth Proportional to 31,238.32, 43,109.86 and 17,091.16

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Solution

The fourth proportional to 31,238.32, 43,109.86 and 17,091.16 is: 23,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,238.32 : 43,109.86 = 17,091.16 : x
  2. Step 2: Convert to fraction form
    31,238.32/43,109.86 = 17,091.16/x
  3. Step 3: Cross multiply
    31,238.32x = 43,109.86 × 17,091.16
  4. Step 4: Simplify right side
    31,238.32x = 736,797,514.84
  5. Step 5: Solve for x
    x = 736,797,514.84/31,238.32
  6. Step 6: Final answer
    x = 23,586.34

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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.