Home / 37,022.66-51,090-21,112.23

Finding the Fourth Proportional to 37,022.66, 51,090 and 21,112.23

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Solution

The fourth proportional to 37,022.66, 51,090 and 21,112.23 is: 29,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,022.66 : 51,090 = 21,112.23 : x
  2. Step 2: Convert to fraction form
    37,022.66/51,090 = 21,112.23/x
  3. Step 3: Cross multiply
    37,022.66x = 51,090 × 21,112.23
  4. Step 4: Simplify right side
    37,022.66x = 1,078,623,830.70
  5. Step 5: Solve for x
    x = 1,078,623,830.70/37,022.66
  6. Step 6: Final answer
    x = 29,134.15

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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.