Home / 31,100.20-46,650.30-15,548.20

Finding the Fourth Proportional to 31,100.20, 46,650.30 and 15,548.20

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Solution

The fourth proportional to 31,100.20, 46,650.30 and 15,548.20 is: 23,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100.20 : 46,650.30 = 15,548.20 : x
  2. Step 2: Convert to fraction form
    31,100.20/46,650.30 = 15,548.20/x
  3. Step 3: Cross multiply
    31,100.20x = 46,650.30 × 15,548.20
  4. Step 4: Simplify right side
    31,100.20x = 725,328,194.46
  5. Step 5: Solve for x
    x = 725,328,194.46/31,100.20
  6. Step 6: Final answer
    x = 23,322.30

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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.