Home / 33,239.40-45,846.91-19,800.28

Finding the Fourth Proportional to 33,239.40, 45,846.91 and 19,800.28

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Solution

The fourth proportional to 33,239.40, 45,846.91 and 19,800.28 is: 27,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.40 : 45,846.91 = 19,800.28 : x
  2. Step 2: Convert to fraction form
    33,239.40/45,846.91 = 19,800.28/x
  3. Step 3: Cross multiply
    33,239.40x = 45,846.91 × 19,800.28
  4. Step 4: Simplify right side
    33,239.40x = 907,781,737.19
  5. Step 5: Solve for x
    x = 907,781,737.19/33,239.40
  6. Step 6: Final answer
    x = 27,310.42

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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.