Home / 30,947.74-46,414.13-14,291.75

Finding the Fourth Proportional to 30,947.74, 46,414.13 and 14,291.75

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Solution

The fourth proportional to 30,947.74, 46,414.13 and 14,291.75 is: 21,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,947.74 : 46,414.13 = 14,291.75 : x
  2. Step 2: Convert to fraction form
    30,947.74/46,414.13 = 14,291.75/x
  3. Step 3: Cross multiply
    30,947.74x = 46,414.13 × 14,291.75
  4. Step 4: Simplify right side
    30,947.74x = 663,339,187.00
  5. Step 5: Solve for x
    x = 663,339,187.00/30,947.74
  6. Step 6: Final answer
    x = 21,434.17

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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.