Home / 31,609.08-43,622.79-18,184.53

Finding the Fourth Proportional to 31,609.08, 43,622.79 and 18,184.53

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Solution

The fourth proportional to 31,609.08, 43,622.79 and 18,184.53 is: 25,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,609.08 : 43,622.79 = 18,184.53 : x
  2. Step 2: Convert to fraction form
    31,609.08/43,622.79 = 18,184.53/x
  3. Step 3: Cross multiply
    31,609.08x = 43,622.79 × 18,184.53
  4. Step 4: Simplify right side
    31,609.08x = 793,259,933.44
  5. Step 5: Solve for x
    x = 793,259,933.44/31,609.08
  6. Step 6: Final answer
    x = 25,095.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.