Home / 36,790.58-55,187.70-10,499.20

Finding the Fourth Proportional to 36,790.58, 55,187.70 and 10,499.20

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Solution

The fourth proportional to 36,790.58, 55,187.70 and 10,499.20 is: 15,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,790.58 : 55,187.70 = 10,499.20 : x
  2. Step 2: Convert to fraction form
    36,790.58/55,187.70 = 10,499.20/x
  3. Step 3: Cross multiply
    36,790.58x = 55,187.70 × 10,499.20
  4. Step 4: Simplify right side
    36,790.58x = 579,426,699.84
  5. Step 5: Solve for x
    x = 579,426,699.84/36,790.58
  6. Step 6: Final answer
    x = 15,749.32

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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.