Home / 33,638.91-46,411.41-19,489.02

Finding the Fourth Proportional to 33,638.91, 46,411.41 and 19,489.02

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Solution

The fourth proportional to 33,638.91, 46,411.41 and 19,489.02 is: 26,888.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,638.91 : 46,411.41 = 19,489.02 : x
  2. Step 2: Convert to fraction form
    33,638.91/46,411.41 = 19,489.02/x
  3. Step 3: Cross multiply
    33,638.91x = 46,411.41 × 19,489.02
  4. Step 4: Simplify right side
    33,638.91x = 904,512,897.72
  5. Step 5: Solve for x
    x = 904,512,897.72/33,638.91
  6. Step 6: Final answer
    x = 26,888.89

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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.