Home / 30,081.68-41,511.80-16,652.48

Finding the Fourth Proportional to 30,081.68, 41,511.80 and 16,652.48

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Solution

The fourth proportional to 30,081.68, 41,511.80 and 16,652.48 is: 22,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.68 : 41,511.80 = 16,652.48 : x
  2. Step 2: Convert to fraction form
    30,081.68/41,511.80 = 16,652.48/x
  3. Step 3: Cross multiply
    30,081.68x = 41,511.80 × 16,652.48
  4. Step 4: Simplify right side
    30,081.68x = 691,274,419.26
  5. Step 5: Solve for x
    x = 691,274,419.26/30,081.68
  6. Step 6: Final answer
    x = 22,979.91

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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.