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Finding the Fourth Proportional to 35,304.75, 52,979.01 and 20,520.63

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Solution

The fourth proportional to 35,304.75, 52,979.01 and 20,520.63 is: 30,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,304.75 : 52,979.01 = 20,520.63 : x
  2. Step 2: Convert to fraction form
    35,304.75/52,979.01 = 20,520.63/x
  3. Step 3: Cross multiply
    35,304.75x = 52,979.01 × 20,520.63
  4. Step 4: Simplify right side
    35,304.75x = 1,087,162,661.98
  5. Step 5: Solve for x
    x = 1,087,162,661.98/35,304.75
  6. Step 6: Final answer
    x = 30,793.67

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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.