Home / 34,647.37-47,813.36-18,731.81

Finding the Fourth Proportional to 34,647.37, 47,813.36 and 18,731.81

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Solution

The fourth proportional to 34,647.37, 47,813.36 and 18,731.81 is: 25,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,647.37 : 47,813.36 = 18,731.81 : x
  2. Step 2: Convert to fraction form
    34,647.37/47,813.36 = 18,731.81/x
  3. Step 3: Cross multiply
    34,647.37x = 47,813.36 × 18,731.81
  4. Step 4: Simplify right side
    34,647.37x = 895,630,800.86
  5. Step 5: Solve for x
    x = 895,630,800.86/34,647.37
  6. Step 6: Final answer
    x = 25,849.89

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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.