Home / 48,131.49-72,148.77-20,067.06

Finding the Fourth Proportional to 48,131.49, 72,148.77 and 20,067.06

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Solution

The fourth proportional to 48,131.49, 72,148.77 and 20,067.06 is: 30,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,131.49 : 72,148.77 = 20,067.06 : x
  2. Step 2: Convert to fraction form
    48,131.49/72,148.77 = 20,067.06/x
  3. Step 3: Cross multiply
    48,131.49x = 72,148.77 × 20,067.06
  4. Step 4: Simplify right side
    48,131.49x = 1,447,813,696.52
  5. Step 5: Solve for x
    x = 1,447,813,696.52/48,131.49
  6. Step 6: Final answer
    x = 30,080.38

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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.