Home / 37,612.80-51,911.19-21,694.14

Finding the Fourth Proportional to 37,612.80, 51,911.19 and 21,694.14

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Solution

The fourth proportional to 37,612.80, 51,911.19 and 21,694.14 is: 29,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,612.80 : 51,911.19 = 21,694.14 : x
  2. Step 2: Convert to fraction form
    37,612.80/51,911.19 = 21,694.14/x
  3. Step 3: Cross multiply
    37,612.80x = 51,911.19 × 21,694.14
  4. Step 4: Simplify right side
    37,612.80x = 1,126,168,623.43
  5. Step 5: Solve for x
    x = 1,126,168,623.43/37,612.80
  6. Step 6: Final answer
    x = 29,941.10

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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.