Home / 36,470.40-50,202.72-31,451.28

Finding the Fourth Proportional to 36,470.40, 50,202.72 and 31,451.28

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Solution

The fourth proportional to 36,470.40, 50,202.72 and 31,451.28 is: 43,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,470.40 : 50,202.72 = 31,451.28 : x
  2. Step 2: Convert to fraction form
    36,470.40/50,202.72 = 31,451.28/x
  3. Step 3: Cross multiply
    36,470.40x = 50,202.72 × 31,451.28
  4. Step 4: Simplify right side
    36,470.40x = 1,578,939,803.48
  5. Step 5: Solve for x
    x = 1,578,939,803.48/36,470.40
  6. Step 6: Final answer
    x = 43,293.73

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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.