Home / 31,435.74-43,383.48-17,288.58

Finding the Fourth Proportional to 31,435.74, 43,383.48 and 17,288.58

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Solution

The fourth proportional to 31,435.74, 43,383.48 and 17,288.58 is: 23,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435.74 : 43,383.48 = 17,288.58 : x
  2. Step 2: Convert to fraction form
    31,435.74/43,383.48 = 17,288.58/x
  3. Step 3: Cross multiply
    31,435.74x = 43,383.48 × 17,288.58
  4. Step 4: Simplify right side
    31,435.74x = 750,038,764.66
  5. Step 5: Solve for x
    x = 750,038,764.66/31,435.74
  6. Step 6: Final answer
    x = 23,859.43

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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.