Home / 37,156.76-51,276.32-21,241.55

Finding the Fourth Proportional to 37,156.76, 51,276.32 and 21,241.55

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Solution

The fourth proportional to 37,156.76, 51,276.32 and 21,241.55 is: 29,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,156.76 : 51,276.32 = 21,241.55 : x
  2. Step 2: Convert to fraction form
    37,156.76/51,276.32 = 21,241.55/x
  3. Step 3: Cross multiply
    37,156.76x = 51,276.32 × 21,241.55
  4. Step 4: Simplify right side
    37,156.76x = 1,089,188,515.10
  5. Step 5: Solve for x
    x = 1,089,188,515.10/37,156.76
  6. Step 6: Final answer
    x = 29,313.33

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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.