Home / 31,093.01-46,639.37-7,719.45

Finding the Fourth Proportional to 31,093.01, 46,639.37 and 7,719.45

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Solution

The fourth proportional to 31,093.01, 46,639.37 and 7,719.45 is: 11,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,093.01 : 46,639.37 = 7,719.45 : x
  2. Step 2: Convert to fraction form
    31,093.01/46,639.37 = 7,719.45/x
  3. Step 3: Cross multiply
    31,093.01x = 46,639.37 × 7,719.45
  4. Step 4: Simplify right side
    31,093.01x = 360,030,246.15
  5. Step 5: Solve for x
    x = 360,030,246.15/31,093.01
  6. Step 6: Final answer
    x = 11,579.14

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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.