Home / 36,620.64-54,960.14-14,439.60

Finding the Fourth Proportional to 36,620.64, 54,960.14 and 14,439.60

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Solution

The fourth proportional to 36,620.64, 54,960.14 and 14,439.60 is: 21,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,620.64 : 54,960.14 = 14,439.60 : x
  2. Step 2: Convert to fraction form
    36,620.64/54,960.14 = 14,439.60/x
  3. Step 3: Cross multiply
    36,620.64x = 54,960.14 × 14,439.60
  4. Step 4: Simplify right side
    36,620.64x = 793,602,437.54
  5. Step 5: Solve for x
    x = 793,602,437.54/36,620.64
  6. Step 6: Final answer
    x = 21,670.91

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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.