Home / 34,777.18-47,992.56-18,861.64

Finding the Fourth Proportional to 34,777.18, 47,992.56 and 18,861.64

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Solution

The fourth proportional to 34,777.18, 47,992.56 and 18,861.64 is: 26,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,777.18 : 47,992.56 = 18,861.64 : x
  2. Step 2: Convert to fraction form
    34,777.18/47,992.56 = 18,861.64/x
  3. Step 3: Cross multiply
    34,777.18x = 47,992.56 × 18,861.64
  4. Step 4: Simplify right side
    34,777.18x = 905,218,222.26
  5. Step 5: Solve for x
    x = 905,218,222.26/34,777.18
  6. Step 6: Final answer
    x = 26,029.09

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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.