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Finding the Fourth Proportional to 34,674.80, 52,012.20 and 26,380.40

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Solution

The fourth proportional to 34,674.80, 52,012.20 and 26,380.40 is: 39,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,674.80 : 52,012.20 = 26,380.40 : x
  2. Step 2: Convert to fraction form
    34,674.80/52,012.20 = 26,380.40/x
  3. Step 3: Cross multiply
    34,674.80x = 52,012.20 × 26,380.40
  4. Step 4: Simplify right side
    34,674.80x = 1,372,102,640.88
  5. Step 5: Solve for x
    x = 1,372,102,640.88/34,674.80
  6. Step 6: Final answer
    x = 39,570.60

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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.