Home / 37,154.25-51,272.19-21,021.39

Finding the Fourth Proportional to 37,154.25, 51,272.19 and 21,021.39

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Solution

The fourth proportional to 37,154.25, 51,272.19 and 21,021.39 is: 29,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,154.25 : 51,272.19 = 21,021.39 : x
  2. Step 2: Convert to fraction form
    37,154.25/51,272.19 = 21,021.39/x
  3. Step 3: Cross multiply
    37,154.25x = 51,272.19 × 21,021.39
  4. Step 4: Simplify right side
    37,154.25x = 1,077,812,702.14
  5. Step 5: Solve for x
    x = 1,077,812,702.14/37,154.25
  6. Step 6: Final answer
    x = 29,009.14

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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.