Home / 53,693.10-80,576.10-30,000.60

Finding the Fourth Proportional to 53,693.10, 80,576.10 and 30,000.60

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Solution

The fourth proportional to 53,693.10, 80,576.10 and 30,000.60 is: 45,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,693.10 : 80,576.10 = 30,000.60 : x
  2. Step 2: Convert to fraction form
    53,693.10/80,576.10 = 30,000.60/x
  3. Step 3: Cross multiply
    53,693.10x = 80,576.10 × 30,000.60
  4. Step 4: Simplify right side
    53,693.10x = 2,417,331,345.66
  5. Step 5: Solve for x
    x = 2,417,331,345.66/53,693.10
  6. Step 6: Final answer
    x = 45,021.27

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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.