Home / 33,990.49-50,985.74-10,618.75

Finding the Fourth Proportional to 33,990.49, 50,985.74 and 10,618.75

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Solution

The fourth proportional to 33,990.49, 50,985.74 and 10,618.75 is: 15,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.49 : 50,985.74 = 10,618.75 : x
  2. Step 2: Convert to fraction form
    33,990.49/50,985.74 = 10,618.75/x
  3. Step 3: Cross multiply
    33,990.49x = 50,985.74 × 10,618.75
  4. Step 4: Simplify right side
    33,990.49x = 541,404,826.63
  5. Step 5: Solve for x
    x = 541,404,826.63/33,990.49
  6. Step 6: Final answer
    x = 15,928.13

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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.