Home / 53,652.21-80,478.32-14,212.41

Finding the Fourth Proportional to 53,652.21, 80,478.32 and 14,212.41

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Solution

The fourth proportional to 53,652.21, 80,478.32 and 14,212.41 is: 21,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,652.21 : 80,478.32 = 14,212.41 : x
  2. Step 2: Convert to fraction form
    53,652.21/80,478.32 = 14,212.41/x
  3. Step 3: Cross multiply
    53,652.21x = 80,478.32 × 14,212.41
  4. Step 4: Simplify right side
    53,652.21x = 1,143,790,879.95
  5. Step 5: Solve for x
    x = 1,143,790,879.95/53,652.21
  6. Step 6: Final answer
    x = 21,318.62

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1.5x scale

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.