Home / 39,156.58-58,737.24-11,078.76

Finding the Fourth Proportional to 39,156.58, 58,737.24 and 11,078.76

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Solution

The fourth proportional to 39,156.58, 58,737.24 and 11,078.76 is: 16,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,156.58 : 58,737.24 = 11,078.76 : x
  2. Step 2: Convert to fraction form
    39,156.58/58,737.24 = 11,078.76/x
  3. Step 3: Cross multiply
    39,156.58x = 58,737.24 × 11,078.76
  4. Step 4: Simplify right side
    39,156.58x = 650,735,907.11
  5. Step 5: Solve for x
    x = 650,735,907.11/39,156.58
  6. Step 6: Final answer
    x = 16,618.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.