Home / 31,250.25-43,125.75-17,102.79

Finding the Fourth Proportional to 31,250.25, 43,125.75 and 17,102.79

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Solution

The fourth proportional to 31,250.25, 43,125.75 and 17,102.79 is: 23,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250.25 : 43,125.75 = 17,102.79 : x
  2. Step 2: Convert to fraction form
    31,250.25/43,125.75 = 17,102.79/x
  3. Step 3: Cross multiply
    31,250.25x = 43,125.75 × 17,102.79
  4. Step 4: Simplify right side
    31,250.25x = 737,570,645.84
  5. Step 5: Solve for x
    x = 737,570,645.84/31,250.25
  6. Step 6: Final answer
    x = 23,602.07

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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.