Home / 37,276.50-51,441.69-20,280.74

Finding the Fourth Proportional to 37,276.50, 51,441.69 and 20,280.74

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Solution

The fourth proportional to 37,276.50, 51,441.69 and 20,280.74 is: 27,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,276.50 : 51,441.69 = 20,280.74 : x
  2. Step 2: Convert to fraction form
    37,276.50/51,441.69 = 20,280.74/x
  3. Step 3: Cross multiply
    37,276.50x = 51,441.69 × 20,280.74
  4. Step 4: Simplify right side
    37,276.50x = 1,043,275,358.89
  5. Step 5: Solve for x
    x = 1,043,275,358.89/37,276.50
  6. Step 6: Final answer
    x = 27,987.48

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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.