Home / 30,806.36-46,209.54-12,095.21

Finding the Fourth Proportional to 30,806.36, 46,209.54 and 12,095.21

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Solution

The fourth proportional to 30,806.36, 46,209.54 and 12,095.21 is: 18,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806.36 : 46,209.54 = 12,095.21 : x
  2. Step 2: Convert to fraction form
    30,806.36/46,209.54 = 12,095.21/x
  3. Step 3: Cross multiply
    30,806.36x = 46,209.54 × 12,095.21
  4. Step 4: Simplify right side
    30,806.36x = 558,913,923.22
  5. Step 5: Solve for x
    x = 558,913,923.22/30,806.36
  6. Step 6: Final answer
    x = 18,142.81

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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.