Home / 37,165.76-51,288.81-21,250.55

Finding the Fourth Proportional to 37,165.76, 51,288.81 and 21,250.55

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Solution

The fourth proportional to 37,165.76, 51,288.81 and 21,250.55 is: 29,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,165.76 : 51,288.81 = 21,250.55 : x
  2. Step 2: Convert to fraction form
    37,165.76/51,288.81 = 21,250.55/x
  3. Step 3: Cross multiply
    37,165.76x = 51,288.81 × 21,250.55
  4. Step 4: Simplify right side
    37,165.76x = 1,089,915,421.35
  5. Step 5: Solve for x
    x = 1,089,915,421.35/37,165.76
  6. Step 6: Final answer
    x = 29,325.79

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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.