Home / 22,239.45-33,135.30-21,918.69

Finding the Fourth Proportional to 22,239.45, 33,135.30 and 21,918.69

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Solution

The fourth proportional to 22,239.45, 33,135.30 and 21,918.69 is: 32,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.45 : 33,135.30 = 21,918.69 : x
  2. Step 2: Convert to fraction form
    22,239.45/33,135.30 = 21,918.69/x
  3. Step 3: Cross multiply
    22,239.45x = 33,135.30 × 21,918.69
  4. Step 4: Simplify right side
    22,239.45x = 726,282,368.76
  5. Step 5: Solve for x
    x = 726,282,368.76/22,239.45
  6. Step 6: Final answer
    x = 32,657.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.