Home / 31,180.13-46,739.05-11,184.20

Finding the Fourth Proportional to 31,180.13, 46,739.05 and 11,184.20

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Solution

The fourth proportional to 31,180.13, 46,739.05 and 11,184.20 is: 16,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180.13 : 46,739.05 = 11,184.20 : x
  2. Step 2: Convert to fraction form
    31,180.13/46,739.05 = 11,184.20/x
  3. Step 3: Cross multiply
    31,180.13x = 46,739.05 × 11,184.20
  4. Step 4: Simplify right side
    31,180.13x = 522,738,829.34
  5. Step 5: Solve for x
    x = 522,738,829.34/31,180.13
  6. Step 6: Final answer
    x = 16,765.13

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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.