Home / 30,801.99-46,204.29-12,080.37

Finding the Fourth Proportional to 30,801.99, 46,204.29 and 12,080.37

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Solution

The fourth proportional to 30,801.99, 46,204.29 and 12,080.37 is: 18,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.99 : 46,204.29 = 12,080.37 : x
  2. Step 2: Convert to fraction form
    30,801.99/46,204.29 = 12,080.37/x
  3. Step 3: Cross multiply
    30,801.99x = 46,204.29 × 12,080.37
  4. Step 4: Simplify right side
    30,801.99x = 558,164,918.79
  5. Step 5: Solve for x
    x = 558,164,918.79/30,801.99
  6. Step 6: Final answer
    x = 18,121.07

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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.