Home / 84,016.62-126,010.26-31,415.22

Finding the Fourth Proportional to 84,016.62, 126,010.26 and 31,415.22

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Solution

The fourth proportional to 84,016.62, 126,010.26 and 31,415.22 is: 47,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,016.62 : 126,010.26 = 31,415.22 : x
  2. Step 2: Convert to fraction form
    84,016.62/126,010.26 = 31,415.22/x
  3. Step 3: Cross multiply
    84,016.62x = 126,010.26 × 31,415.22
  4. Step 4: Simplify right side
    84,016.62x = 3,958,640,040.16
  5. Step 5: Solve for x
    x = 3,958,640,040.16/84,016.62
  6. Step 6: Final answer
    x = 47,117.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.