Home / 37,165.21-51,289.54-21,249.65

Finding the Fourth Proportional to 37,165.21, 51,289.54 and 21,249.65

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Solution

The fourth proportional to 37,165.21, 51,289.54 and 21,249.65 is: 29,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,165.21 : 51,289.54 = 21,249.65 : x
  2. Step 2: Convert to fraction form
    37,165.21/51,289.54 = 21,249.65/x
  3. Step 3: Cross multiply
    37,165.21x = 51,289.54 × 21,249.65
  4. Step 4: Simplify right side
    37,165.21x = 1,089,884,848.76
  5. Step 5: Solve for x
    x = 1,089,884,848.76/37,165.21
  6. Step 6: Final answer
    x = 29,325.41

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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.