Home / 53,474.06-80,229.32-20,203.71

Finding the Fourth Proportional to 53,474.06, 80,229.32 and 20,203.71

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Solution

The fourth proportional to 53,474.06, 80,229.32 and 20,203.71 is: 30,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,474.06 : 80,229.32 = 20,203.71 : x
  2. Step 2: Convert to fraction form
    53,474.06/80,229.32 = 20,203.71/x
  3. Step 3: Cross multiply
    53,474.06x = 80,229.32 × 20,203.71
  4. Step 4: Simplify right side
    53,474.06x = 1,620,929,813.76
  5. Step 5: Solve for x
    x = 1,620,929,813.76/53,474.06
  6. Step 6: Final answer
    x = 30,312.45

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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.