Home / 37,017.09-51,083.15-21,101.49

Finding the Fourth Proportional to 37,017.09, 51,083.15 and 21,101.49

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Solution

The fourth proportional to 37,017.09, 51,083.15 and 21,101.49 is: 29,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,017.09 : 51,083.15 = 21,101.49 : x
  2. Step 2: Convert to fraction form
    37,017.09/51,083.15 = 21,101.49/x
  3. Step 3: Cross multiply
    37,017.09x = 51,083.15 × 21,101.49
  4. Step 4: Simplify right side
    37,017.09x = 1,077,930,473.39
  5. Step 5: Solve for x
    x = 1,077,930,473.39/37,017.09
  6. Step 6: Final answer
    x = 29,119.81

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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.