Home / 37,220.80-51,369.14-21,310.36

Finding the Fourth Proportional to 37,220.80, 51,369.14 and 21,310.36

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Solution

The fourth proportional to 37,220.80, 51,369.14 and 21,310.36 is: 29,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,220.80 : 51,369.14 = 21,310.36 : x
  2. Step 2: Convert to fraction form
    37,220.80/51,369.14 = 21,310.36/x
  3. Step 3: Cross multiply
    37,220.80x = 51,369.14 × 21,310.36
  4. Step 4: Simplify right side
    37,220.80x = 1,094,694,866.29
  5. Step 5: Solve for x
    x = 1,094,694,866.29/37,220.80
  6. Step 6: Final answer
    x = 29,410.84

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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.