Home / 53,576.64-80,287.20-30,153.06

Finding the Fourth Proportional to 53,576.64, 80,287.20 and 30,153.06

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Solution

The fourth proportional to 53,576.64, 80,287.20 and 30,153.06 is: 45,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,576.64 : 80,287.20 = 30,153.06 : x
  2. Step 2: Convert to fraction form
    53,576.64/80,287.20 = 30,153.06/x
  3. Step 3: Cross multiply
    53,576.64x = 80,287.20 × 30,153.06
  4. Step 4: Simplify right side
    53,576.64x = 2,420,904,758.83
  5. Step 5: Solve for x
    x = 2,420,904,758.83/53,576.64
  6. Step 6: Final answer
    x = 45,185.83

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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.