Home / 31,285.24-46,947.30-12,817.24

Finding the Fourth Proportional to 31,285.24, 46,947.30 and 12,817.24

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Solution

The fourth proportional to 31,285.24, 46,947.30 and 12,817.24 is: 19,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.24 : 46,947.30 = 12,817.24 : x
  2. Step 2: Convert to fraction form
    31,285.24/46,947.30 = 12,817.24/x
  3. Step 3: Cross multiply
    31,285.24x = 46,947.30 × 12,817.24
  4. Step 4: Simplify right side
    31,285.24x = 601,734,811.45
  5. Step 5: Solve for x
    x = 601,734,811.45/31,285.24
  6. Step 6: Final answer
    x = 19,233.82

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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.