Home / 33,542.61-46,293.17-21,640.57

Finding the Fourth Proportional to 33,542.61, 46,293.17 and 21,640.57

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Solution

The fourth proportional to 33,542.61, 46,293.17 and 21,640.57 is: 29,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,542.61 : 46,293.17 = 21,640.57 : x
  2. Step 2: Convert to fraction form
    33,542.61/46,293.17 = 21,640.57/x
  3. Step 3: Cross multiply
    33,542.61x = 46,293.17 × 21,640.57
  4. Step 4: Simplify right side
    33,542.61x = 1,001,810,483.70
  5. Step 5: Solve for x
    x = 1,001,810,483.70/33,542.61
  6. Step 6: Final answer
    x = 29,866.81

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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.