Home / 37,379.64-51,583.26-20,384.02

Finding the Fourth Proportional to 37,379.64, 51,583.26 and 20,384.02

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Solution

The fourth proportional to 37,379.64, 51,583.26 and 20,384.02 is: 28,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,379.64 : 51,583.26 = 20,384.02 : x
  2. Step 2: Convert to fraction form
    37,379.64/51,583.26 = 20,384.02/x
  3. Step 3: Cross multiply
    37,379.64x = 51,583.26 × 20,384.02
  4. Step 4: Simplify right side
    37,379.64x = 1,051,474,203.51
  5. Step 5: Solve for x
    x = 1,051,474,203.51/37,379.64
  6. Step 6: Final answer
    x = 28,129.60

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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.