Home / 36,819.09-55,237.48-11,861.51

Finding the Fourth Proportional to 36,819.09, 55,237.48 and 11,861.51

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Solution

The fourth proportional to 36,819.09, 55,237.48 and 11,861.51 is: 17,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,819.09 : 55,237.48 = 11,861.51 : x
  2. Step 2: Convert to fraction form
    36,819.09/55,237.48 = 11,861.51/x
  3. Step 3: Cross multiply
    36,819.09x = 55,237.48 × 11,861.51
  4. Step 4: Simplify right side
    36,819.09x = 655,199,615.55
  5. Step 5: Solve for x
    x = 655,199,615.55/36,819.09
  6. Step 6: Final answer
    x = 17,795.11

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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.