Home / 31,193.48-46,790.30-7,819.99

Finding the Fourth Proportional to 31,193.48, 46,790.30 and 7,819.99

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Solution

The fourth proportional to 31,193.48, 46,790.30 and 7,819.99 is: 11,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,193.48 : 46,790.30 = 7,819.99 : x
  2. Step 2: Convert to fraction form
    31,193.48/46,790.30 = 7,819.99/x
  3. Step 3: Cross multiply
    31,193.48x = 46,790.30 × 7,819.99
  4. Step 4: Simplify right side
    31,193.48x = 365,899,580.67
  5. Step 5: Solve for x
    x = 365,899,580.67/31,193.48
  6. Step 6: Final answer
    x = 11,730.00

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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.