Home / 37,394.22-51,603.57-21,478.80

Finding the Fourth Proportional to 37,394.22, 51,603.57 and 21,478.80

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Solution

The fourth proportional to 37,394.22, 51,603.57 and 21,478.80 is: 29,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,394.22 : 51,603.57 = 21,478.80 : x
  2. Step 2: Convert to fraction form
    37,394.22/51,603.57 = 21,478.80/x
  3. Step 3: Cross multiply
    37,394.22x = 51,603.57 × 21,478.80
  4. Step 4: Simplify right side
    37,394.22x = 1,108,382,759.32
  5. Step 5: Solve for x
    x = 1,108,382,759.32/37,394.22
  6. Step 6: Final answer
    x = 29,640.48

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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.