Home / 37,506.16-51,759.60-20,511.40

Finding the Fourth Proportional to 37,506.16, 51,759.60 and 20,511.40

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Solution

The fourth proportional to 37,506.16, 51,759.60 and 20,511.40 is: 28,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,506.16 : 51,759.60 = 20,511.40 : x
  2. Step 2: Convert to fraction form
    37,506.16/51,759.60 = 20,511.40/x
  3. Step 3: Cross multiply
    37,506.16x = 51,759.60 × 20,511.40
  4. Step 4: Simplify right side
    37,506.16x = 1,061,661,859.44
  5. Step 5: Solve for x
    x = 1,061,661,859.44/37,506.16
  6. Step 6: Final answer
    x = 28,306.33

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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.