Home / 33,688.70-50,518.39-17,890.28

Finding the Fourth Proportional to 33,688.70, 50,518.39 and 17,890.28

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Solution

The fourth proportional to 33,688.70, 50,518.39 and 17,890.28 is: 26,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,688.70 : 50,518.39 = 17,890.28 : x
  2. Step 2: Convert to fraction form
    33,688.70/50,518.39 = 17,890.28/x
  3. Step 3: Cross multiply
    33,688.70x = 50,518.39 × 17,890.28
  4. Step 4: Simplify right side
    33,688.70x = 903,788,142.25
  5. Step 5: Solve for x
    x = 903,788,142.25/33,688.70
  6. Step 6: Final answer
    x = 26,827.63

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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.