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Finding the Fourth Proportional to 29,351.42, 44,023.54 and 12,491.22

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Solution

The fourth proportional to 29,351.42, 44,023.54 and 12,491.22 is: 18,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,351.42 : 44,023.54 = 12,491.22 : x
  2. Step 2: Convert to fraction form
    29,351.42/44,023.54 = 12,491.22/x
  3. Step 3: Cross multiply
    29,351.42x = 44,023.54 × 12,491.22
  4. Step 4: Simplify right side
    29,351.42x = 549,907,527.00
  5. Step 5: Solve for x
    x = 549,907,527.00/29,351.42
  6. Step 6: Final answer
    x = 18,735.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.