Home / 36,144.37-54,203.14-12,445.30

Finding the Fourth Proportional to 36,144.37, 54,203.14 and 12,445.30

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Solution

The fourth proportional to 36,144.37, 54,203.14 and 12,445.30 is: 18,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,144.37 : 54,203.14 = 12,445.30 : x
  2. Step 2: Convert to fraction form
    36,144.37/54,203.14 = 12,445.30/x
  3. Step 3: Cross multiply
    36,144.37x = 54,203.14 × 12,445.30
  4. Step 4: Simplify right side
    36,144.37x = 674,574,338.24
  5. Step 5: Solve for x
    x = 674,574,338.24/36,144.37
  6. Step 6: Final answer
    x = 18,663.33

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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.