Home / 31,135.87-46,700.35-11,144.56

Finding the Fourth Proportional to 31,135.87, 46,700.35 and 11,144.56

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Solution

The fourth proportional to 31,135.87, 46,700.35 and 11,144.56 is: 16,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,135.87 : 46,700.35 = 11,144.56 : x
  2. Step 2: Convert to fraction form
    31,135.87/46,700.35 = 11,144.56/x
  3. Step 3: Cross multiply
    31,135.87x = 46,700.35 × 11,144.56
  4. Step 4: Simplify right side
    31,135.87x = 520,454,852.60
  5. Step 5: Solve for x
    x = 520,454,852.60/31,135.87
  6. Step 6: Final answer
    x = 16,715.60

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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.