Home / 37,165.40-51,289.81-21,249.84

Finding the Fourth Proportional to 37,165.40, 51,289.81 and 21,249.84

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Solution

The fourth proportional to 37,165.40, 51,289.81 and 21,249.84 is: 29,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,165.40 : 51,289.81 = 21,249.84 : x
  2. Step 2: Convert to fraction form
    37,165.40/51,289.81 = 21,249.84/x
  3. Step 3: Cross multiply
    37,165.40x = 51,289.81 × 21,249.84
  4. Step 4: Simplify right side
    37,165.40x = 1,089,900,203.01
  5. Step 5: Solve for x
    x = 1,089,900,203.01/37,165.40
  6. Step 6: Final answer
    x = 29,325.67

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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.