Home / 37,209.09-51,348.94-20,213.53

Finding the Fourth Proportional to 37,209.09, 51,348.94 and 20,213.53

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Solution

The fourth proportional to 37,209.09, 51,348.94 and 20,213.53 is: 27,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,209.09 : 51,348.94 = 20,213.53 : x
  2. Step 2: Convert to fraction form
    37,209.09/51,348.94 = 20,213.53/x
  3. Step 3: Cross multiply
    37,209.09x = 51,348.94 × 20,213.53
  4. Step 4: Simplify right side
    37,209.09x = 1,037,943,339.16
  5. Step 5: Solve for x
    x = 1,037,943,339.16/37,209.09
  6. Step 6: Final answer
    x = 27,894.89

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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.