Home / 33,543.72-46,287.30-18,436.20

Finding the Fourth Proportional to 33,543.72, 46,287.30 and 18,436.20

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Solution

The fourth proportional to 33,543.72, 46,287.30 and 18,436.20 is: 25,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,543.72 : 46,287.30 = 18,436.20 : x
  2. Step 2: Convert to fraction form
    33,543.72/46,287.30 = 18,436.20/x
  3. Step 3: Cross multiply
    33,543.72x = 46,287.30 × 18,436.20
  4. Step 4: Simplify right side
    33,543.72x = 853,361,920.26
  5. Step 5: Solve for x
    x = 853,361,920.26/33,543.72
  6. Step 6: Final answer
    x = 25,440.29

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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.