Home / 31,455.82-43,409.02-17,308.36

Finding the Fourth Proportional to 31,455.82, 43,409.02 and 17,308.36

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Solution

The fourth proportional to 31,455.82, 43,409.02 and 17,308.36 is: 23,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455.82 : 43,409.02 = 17,308.36 : x
  2. Step 2: Convert to fraction form
    31,455.82/43,409.02 = 17,308.36/x
  3. Step 3: Cross multiply
    31,455.82x = 43,409.02 × 17,308.36
  4. Step 4: Simplify right side
    31,455.82x = 751,338,945.41
  5. Step 5: Solve for x
    x = 751,338,945.41/31,455.82
  6. Step 6: Final answer
    x = 23,885.53

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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.