Home / 36,012.60-54,004.32-13,826.70

Finding the Fourth Proportional to 36,012.60, 54,004.32 and 13,826.70

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Solution

The fourth proportional to 36,012.60, 54,004.32 and 13,826.70 is: 20,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012.60 : 54,004.32 = 13,826.70 : x
  2. Step 2: Convert to fraction form
    36,012.60/54,004.32 = 13,826.70/x
  3. Step 3: Cross multiply
    36,012.60x = 54,004.32 × 13,826.70
  4. Step 4: Simplify right side
    36,012.60x = 746,701,531.34
  5. Step 5: Solve for x
    x = 746,701,531.34/36,012.60
  6. Step 6: Final answer
    x = 20,734.45

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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.