Home / 52,611.42-72,601.92-31,379.70

Finding the Fourth Proportional to 52,611.42, 72,601.92 and 31,379.70

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Solution

The fourth proportional to 52,611.42, 72,601.92 and 31,379.70 is: 43,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,611.42 : 72,601.92 = 31,379.70 : x
  2. Step 2: Convert to fraction form
    52,611.42/72,601.92 = 31,379.70/x
  3. Step 3: Cross multiply
    52,611.42x = 72,601.92 × 31,379.70
  4. Step 4: Simplify right side
    52,611.42x = 2,278,226,469.02
  5. Step 5: Solve for x
    x = 2,278,226,469.02/52,611.42
  6. Step 6: Final answer
    x = 43,302.89

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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.