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Finding the Fourth Proportional to 50,807.08, 70,059 and 34,676.20

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Solution

The fourth proportional to 50,807.08, 70,059 and 34,676.20 is: 47,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,807.08 : 70,059 = 34,676.20 : x
  2. Step 2: Convert to fraction form
    50,807.08/70,059 = 34,676.20/x
  3. Step 3: Cross multiply
    50,807.08x = 70,059 × 34,676.20
  4. Step 4: Simplify right side
    50,807.08x = 2,429,379,895.80
  5. Step 5: Solve for x
    x = 2,429,379,895.80/50,807.08
  6. Step 6: Final answer
    x = 47,815.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.