Home / 53,531.46-80,296.97-13,550.58

Finding the Fourth Proportional to 53,531.46, 80,296.97 and 13,550.58

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Solution

The fourth proportional to 53,531.46, 80,296.97 and 13,550.58 is: 20,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,531.46 : 80,296.97 = 13,550.58 : x
  2. Step 2: Convert to fraction form
    53,531.46/80,296.97 = 13,550.58/x
  3. Step 3: Cross multiply
    53,531.46x = 80,296.97 × 13,550.58
  4. Step 4: Simplify right side
    53,531.46x = 1,088,070,447.99
  5. Step 5: Solve for x
    x = 1,088,070,447.99/53,531.46
  6. Step 6: Final answer
    x = 20,325.81

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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.