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Finding the Fourth Proportional to 34,540.64, 51,810.97 and 12,352.67

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Solution

The fourth proportional to 34,540.64, 51,810.97 and 12,352.67 is: 18,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,540.64 : 51,810.97 = 12,352.67 : x
  2. Step 2: Convert to fraction form
    34,540.64/51,810.97 = 12,352.67/x
  3. Step 3: Cross multiply
    34,540.64x = 51,810.97 × 12,352.67
  4. Step 4: Simplify right side
    34,540.64x = 640,003,814.79
  5. Step 5: Solve for x
    x = 640,003,814.79/34,540.64
  6. Step 6: Final answer
    x = 18,529.01

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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.