Home / 34,321.08-47,370.48-20,896.77

Finding the Fourth Proportional to 34,321.08, 47,370.48 and 20,896.77

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Solution

The fourth proportional to 34,321.08, 47,370.48 and 20,896.77 is: 28,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,321.08 : 47,370.48 = 20,896.77 : x
  2. Step 2: Convert to fraction form
    34,321.08/47,370.48 = 20,896.77/x
  3. Step 3: Cross multiply
    34,321.08x = 47,370.48 × 20,896.77
  4. Step 4: Simplify right side
    34,321.08x = 989,890,025.35
  5. Step 5: Solve for x
    x = 989,890,025.35/34,321.08
  6. Step 6: Final answer
    x = 28,842.04

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1.5x scale

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.