Home / 30,760.37-46,144.40-12,037.99

Finding the Fourth Proportional to 30,760.37, 46,144.40 and 12,037.99

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Solution

The fourth proportional to 30,760.37, 46,144.40 and 12,037.99 is: 18,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,760.37 : 46,144.40 = 12,037.99 : x
  2. Step 2: Convert to fraction form
    30,760.37/46,144.40 = 12,037.99/x
  3. Step 3: Cross multiply
    30,760.37x = 46,144.40 × 12,037.99
  4. Step 4: Simplify right side
    30,760.37x = 555,485,614.47
  5. Step 5: Solve for x
    x = 555,485,614.47/30,760.37
  6. Step 6: Final answer
    x = 18,058.48

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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.