Home / 34,623.42-47,778.03-20,281.02

Finding the Fourth Proportional to 34,623.42, 47,778.03 and 20,281.02

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Solution

The fourth proportional to 34,623.42, 47,778.03 and 20,281.02 is: 27,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,623.42 : 47,778.03 = 20,281.02 : x
  2. Step 2: Convert to fraction form
    34,623.42/47,778.03 = 20,281.02/x
  3. Step 3: Cross multiply
    34,623.42x = 47,778.03 × 20,281.02
  4. Step 4: Simplify right side
    34,623.42x = 968,987,181.99
  5. Step 5: Solve for x
    x = 968,987,181.99/34,623.42
  6. Step 6: Final answer
    x = 27,986.47

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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.