Home / 36,135.96-49,756.86-31,634.52

Finding the Fourth Proportional to 36,135.96, 49,756.86 and 31,634.52

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Solution

The fourth proportional to 36,135.96, 49,756.86 and 31,634.52 is: 43,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.96 : 49,756.86 = 31,634.52 : x
  2. Step 2: Convert to fraction form
    36,135.96/49,756.86 = 31,634.52/x
  3. Step 3: Cross multiply
    36,135.96x = 49,756.86 × 31,634.52
  4. Step 4: Simplify right side
    36,135.96x = 1,574,034,382.81
  5. Step 5: Solve for x
    x = 1,574,034,382.81/36,135.96
  6. Step 6: Final answer
    x = 43,558.67

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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.