Home / 33,881.12-46,740.20-21,948.48

Finding the Fourth Proportional to 33,881.12, 46,740.20 and 21,948.48

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Solution

The fourth proportional to 33,881.12, 46,740.20 and 21,948.48 is: 30,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,881.12 : 46,740.20 = 21,948.48 : x
  2. Step 2: Convert to fraction form
    33,881.12/46,740.20 = 21,948.48/x
  3. Step 3: Cross multiply
    33,881.12x = 46,740.20 × 21,948.48
  4. Step 4: Simplify right side
    33,881.12x = 1,025,876,344.90
  5. Step 5: Solve for x
    x = 1,025,876,344.90/33,881.12
  6. Step 6: Final answer
    x = 30,278.70

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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.