Home / 37,418.12-51,603.28-28,907.44

Finding the Fourth Proportional to 37,418.12, 51,603.28 and 28,907.44

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Solution

The fourth proportional to 37,418.12, 51,603.28 and 28,907.44 is: 39,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,418.12 : 51,603.28 = 28,907.44 : x
  2. Step 2: Convert to fraction form
    37,418.12/51,603.28 = 28,907.44/x
  3. Step 3: Cross multiply
    37,418.12x = 51,603.28 × 28,907.44
  4. Step 4: Simplify right side
    37,418.12x = 1,491,718,720.40
  5. Step 5: Solve for x
    x = 1,491,718,720.40/37,418.12
  6. Step 6: Final answer
    x = 39,866.21

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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.