Home / 37,276.39-51,441.54-20,280.63

Finding the Fourth Proportional to 37,276.39, 51,441.54 and 20,280.63

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Solution

The fourth proportional to 37,276.39, 51,441.54 and 20,280.63 is: 27,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,276.39 : 51,441.54 = 20,280.63 : x
  2. Step 2: Convert to fraction form
    37,276.39/51,441.54 = 20,280.63/x
  3. Step 3: Cross multiply
    37,276.39x = 51,441.54 × 20,280.63
  4. Step 4: Simplify right side
    37,276.39x = 1,043,266,839.37
  5. Step 5: Solve for x
    x = 1,043,266,839.37/37,276.39
  6. Step 6: Final answer
    x = 27,987.34

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Double scale
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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.