Home / 33,311.40-45,970.33-18,204.70

Finding the Fourth Proportional to 33,311.40, 45,970.33 and 18,204.70

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Solution

The fourth proportional to 33,311.40, 45,970.33 and 18,204.70 is: 25,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.40 : 45,970.33 = 18,204.70 : x
  2. Step 2: Convert to fraction form
    33,311.40/45,970.33 = 18,204.70/x
  3. Step 3: Cross multiply
    33,311.40x = 45,970.33 × 18,204.70
  4. Step 4: Simplify right side
    33,311.40x = 836,875,836.70
  5. Step 5: Solve for x
    x = 836,875,836.70/33,311.40
  6. Step 6: Final answer
    x = 25,122.81

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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.