Home / 33,640.38-46,421.64-19,490.76

Finding the Fourth Proportional to 33,640.38, 46,421.64 and 19,490.76

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Solution

The fourth proportional to 33,640.38, 46,421.64 and 19,490.76 is: 26,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,640.38 : 46,421.64 = 19,490.76 : x
  2. Step 2: Convert to fraction form
    33,640.38/46,421.64 = 19,490.76/x
  3. Step 3: Cross multiply
    33,640.38x = 46,421.64 × 19,490.76
  4. Step 4: Simplify right side
    33,640.38x = 904,793,044.05
  5. Step 5: Solve for x
    x = 904,793,044.05/33,640.38
  6. Step 6: Final answer
    x = 26,896.04

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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.