Home / 34,607.31-47,758.11-18,691.77

Finding the Fourth Proportional to 34,607.31, 47,758.11 and 18,691.77

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Solution

The fourth proportional to 34,607.31, 47,758.11 and 18,691.77 is: 25,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,607.31 : 47,758.11 = 18,691.77 : x
  2. Step 2: Convert to fraction form
    34,607.31/47,758.11 = 18,691.77/x
  3. Step 3: Cross multiply
    34,607.31x = 47,758.11 × 18,691.77
  4. Step 4: Simplify right side
    34,607.31x = 892,683,607.75
  5. Step 5: Solve for x
    x = 892,683,607.75/34,607.31
  6. Step 6: Final answer
    x = 25,794.65

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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.