Home / 34,276.99-51,342.57-20,221.87

Finding the Fourth Proportional to 34,276.99, 51,342.57 and 20,221.87

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Solution

The fourth proportional to 34,276.99, 51,342.57 and 20,221.87 is: 30,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,276.99 : 51,342.57 = 20,221.87 : x
  2. Step 2: Convert to fraction form
    34,276.99/51,342.57 = 20,221.87/x
  3. Step 3: Cross multiply
    34,276.99x = 51,342.57 × 20,221.87
  4. Step 4: Simplify right side
    34,276.99x = 1,038,242,776.01
  5. Step 5: Solve for x
    x = 1,038,242,776.01/34,276.99
  6. Step 6: Final answer
    x = 30,289.79

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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.