Home / 31,006.02-46,512.12-9,940.80

Finding the Fourth Proportional to 31,006.02, 46,512.12 and 9,940.80

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Solution

The fourth proportional to 31,006.02, 46,512.12 and 9,940.80 is: 14,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,006.02 : 46,512.12 = 9,940.80 : x
  2. Step 2: Convert to fraction form
    31,006.02/46,512.12 = 9,940.80/x
  3. Step 3: Cross multiply
    31,006.02x = 46,512.12 × 9,940.80
  4. Step 4: Simplify right side
    31,006.02x = 462,367,682.50
  5. Step 5: Solve for x
    x = 462,367,682.50/31,006.02
  6. Step 6: Final answer
    x = 14,912.19

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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.