Home / 37,017.20-51,083.28-21,101.12

Finding the Fourth Proportional to 37,017.20, 51,083.28 and 21,101.12

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Solution

The fourth proportional to 37,017.20, 51,083.28 and 21,101.12 is: 29,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,017.20 : 51,083.28 = 21,101.12 : x
  2. Step 2: Convert to fraction form
    37,017.20/51,083.28 = 21,101.12/x
  3. Step 3: Cross multiply
    37,017.20x = 51,083.28 × 21,101.12
  4. Step 4: Simplify right side
    37,017.20x = 1,077,914,421.27
  5. Step 5: Solve for x
    x = 1,077,914,421.27/37,017.20
  6. Step 6: Final answer
    x = 29,119.29

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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.