Home / 86,447.25-129,621.06-33,828.03

Finding the Fourth Proportional to 86,447.25, 129,621.06 and 33,828.03

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Solution

The fourth proportional to 86,447.25, 129,621.06 and 33,828.03 is: 50,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,447.25 : 129,621.06 = 33,828.03 : x
  2. Step 2: Convert to fraction form
    86,447.25/129,621.06 = 33,828.03/x
  3. Step 3: Cross multiply
    86,447.25x = 129,621.06 × 33,828.03
  4. Step 4: Simplify right side
    86,447.25x = 4,384,825,106.31
  5. Step 5: Solve for x
    x = 4,384,825,106.31/86,447.25
  6. Step 6: Final answer
    x = 50,722.55

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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.