Home / 40,453.30-60,638.30-15,486.54

Finding the Fourth Proportional to 40,453.30, 60,638.30 and 15,486.54

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Solution

The fourth proportional to 40,453.30, 60,638.30 and 15,486.54 is: 23,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,453.30 : 60,638.30 = 15,486.54 : x
  2. Step 2: Convert to fraction form
    40,453.30/60,638.30 = 15,486.54/x
  3. Step 3: Cross multiply
    40,453.30x = 60,638.30 × 15,486.54
  4. Step 4: Simplify right side
    40,453.30x = 939,077,458.48
  5. Step 5: Solve for x
    x = 939,077,458.48/40,453.30
  6. Step 6: Final answer
    x = 23,213.87

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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.