Home / 31,314.87-46,977.17-10,536.75

Finding the Fourth Proportional to 31,314.87, 46,977.17 and 10,536.75

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Solution

The fourth proportional to 31,314.87, 46,977.17 and 10,536.75 is: 15,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.87 : 46,977.17 = 10,536.75 : x
  2. Step 2: Convert to fraction form
    31,314.87/46,977.17 = 10,536.75/x
  3. Step 3: Cross multiply
    31,314.87x = 46,977.17 × 10,536.75
  4. Step 4: Simplify right side
    31,314.87x = 494,986,643.31
  5. Step 5: Solve for x
    x = 494,986,643.31/31,314.87
  6. Step 6: Final answer
    x = 15,806.76

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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.