Home / 34,921.08-48,188.52-20,771.28

Finding the Fourth Proportional to 34,921.08, 48,188.52 and 20,771.28

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Solution

The fourth proportional to 34,921.08, 48,188.52 and 20,771.28 is: 28,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,921.08 : 48,188.52 = 20,771.28 : x
  2. Step 2: Convert to fraction form
    34,921.08/48,188.52 = 20,771.28/x
  3. Step 3: Cross multiply
    34,921.08x = 48,188.52 × 20,771.28
  4. Step 4: Simplify right side
    34,921.08x = 1,000,937,241.71
  5. Step 5: Solve for x
    x = 1,000,937,241.71/34,921.08
  6. Step 6: Final answer
    x = 28,662.84

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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.