Home / 37,878.75-52,273.02-20,883.59

Finding the Fourth Proportional to 37,878.75, 52,273.02 and 20,883.59

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Solution

The fourth proportional to 37,878.75, 52,273.02 and 20,883.59 is: 28,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,878.75 : 52,273.02 = 20,883.59 : x
  2. Step 2: Convert to fraction form
    37,878.75/52,273.02 = 20,883.59/x
  3. Step 3: Cross multiply
    37,878.75x = 52,273.02 × 20,883.59
  4. Step 4: Simplify right side
    37,878.75x = 1,091,648,382.24
  5. Step 5: Solve for x
    x = 1,091,648,382.24/37,878.75
  6. Step 6: Final answer
    x = 28,819.55

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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.