Home / 31,291.88-46,933.70-11,299.32

Finding the Fourth Proportional to 31,291.88, 46,933.70 and 11,299.32

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Solution

The fourth proportional to 31,291.88, 46,933.70 and 11,299.32 is: 16,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,291.88 : 46,933.70 = 11,299.32 : x
  2. Step 2: Convert to fraction form
    31,291.88/46,933.70 = 11,299.32/x
  3. Step 3: Cross multiply
    31,291.88x = 46,933.70 × 11,299.32
  4. Step 4: Simplify right side
    31,291.88x = 530,318,838.59
  5. Step 5: Solve for x
    x = 530,318,838.59/31,291.88
  6. Step 6: Final answer
    x = 16,947.49

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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.