Home / 53,348.80-80,021.10-13,906.24

Finding the Fourth Proportional to 53,348.80, 80,021.10 and 13,906.24

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Solution

The fourth proportional to 53,348.80, 80,021.10 and 13,906.24 is: 20,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,348.80 : 80,021.10 = 13,906.24 : x
  2. Step 2: Convert to fraction form
    53,348.80/80,021.10 = 13,906.24/x
  3. Step 3: Cross multiply
    53,348.80x = 80,021.10 × 13,906.24
  4. Step 4: Simplify right side
    53,348.80x = 1,112,792,621.66
  5. Step 5: Solve for x
    x = 1,112,792,621.66/53,348.80
  6. Step 6: Final answer
    x = 20,858.81

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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.