Home / 53,466.90-80,138.34-20,165.64

Finding the Fourth Proportional to 53,466.90, 80,138.34 and 20,165.64

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Solution

The fourth proportional to 53,466.90, 80,138.34 and 20,165.64 is: 30,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,466.90 : 80,138.34 = 20,165.64 : x
  2. Step 2: Convert to fraction form
    53,466.90/80,138.34 = 20,165.64/x
  3. Step 3: Cross multiply
    53,466.90x = 80,138.34 × 20,165.64
  4. Step 4: Simplify right side
    53,466.90x = 1,616,040,914.64
  5. Step 5: Solve for x
    x = 1,616,040,914.64/53,466.90
  6. Step 6: Final answer
    x = 30,225.07

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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.