Home / 47,601.10-71,401.65-30,105.10

Finding the Fourth Proportional to 47,601.10, 71,401.65 and 30,105.10

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Solution

The fourth proportional to 47,601.10, 71,401.65 and 30,105.10 is: 45,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,601.10 : 71,401.65 = 30,105.10 : x
  2. Step 2: Convert to fraction form
    47,601.10/71,401.65 = 30,105.10/x
  3. Step 3: Cross multiply
    47,601.10x = 71,401.65 × 30,105.10
  4. Step 4: Simplify right side
    47,601.10x = 2,149,553,813.42
  5. Step 5: Solve for x
    x = 2,149,553,813.42/47,601.10
  6. Step 6: Final answer
    x = 45,157.65

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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.