Home / 33,116.20-49,631.10-13,378.60

Finding the Fourth Proportional to 33,116.20, 49,631.10 and 13,378.60

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Solution

The fourth proportional to 33,116.20, 49,631.10 and 13,378.60 is: 20,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,116.20 : 49,631.10 = 13,378.60 : x
  2. Step 2: Convert to fraction form
    33,116.20/49,631.10 = 13,378.60/x
  3. Step 3: Cross multiply
    33,116.20x = 49,631.10 × 13,378.60
  4. Step 4: Simplify right side
    33,116.20x = 663,994,634.46
  5. Step 5: Solve for x
    x = 663,994,634.46/33,116.20
  6. Step 6: Final answer
    x = 20,050.45

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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.