Home / 31,186.47-43,037.91-17,039.01

Finding the Fourth Proportional to 31,186.47, 43,037.91 and 17,039.01

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Solution

The fourth proportional to 31,186.47, 43,037.91 and 17,039.01 is: 23,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.47 : 43,037.91 = 17,039.01 : x
  2. Step 2: Convert to fraction form
    31,186.47/43,037.91 = 17,039.01/x
  3. Step 3: Cross multiply
    31,186.47x = 43,037.91 × 17,039.01
  4. Step 4: Simplify right side
    31,186.47x = 733,323,378.87
  5. Step 5: Solve for x
    x = 733,323,378.87/31,186.47
  6. Step 6: Final answer
    x = 23,514.15

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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.