Home / 37,183.06-51,312.69-20,187.30

Finding the Fourth Proportional to 37,183.06, 51,312.69 and 20,187.30

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Solution

The fourth proportional to 37,183.06, 51,312.69 and 20,187.30 is: 27,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,183.06 : 51,312.69 = 20,187.30 : x
  2. Step 2: Convert to fraction form
    37,183.06/51,312.69 = 20,187.30/x
  3. Step 3: Cross multiply
    37,183.06x = 51,312.69 × 20,187.30
  4. Step 4: Simplify right side
    37,183.06x = 1,035,864,666.84
  5. Step 5: Solve for x
    x = 1,035,864,666.84/37,183.06
  6. Step 6: Final answer
    x = 27,858.51

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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.