Home / 42,321.35-63,481.43-10,300.54

Finding the Fourth Proportional to 42,321.35, 63,481.43 and 10,300.54

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Solution

The fourth proportional to 42,321.35, 63,481.43 and 10,300.54 is: 15,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,321.35 : 63,481.43 = 10,300.54 : x
  2. Step 2: Convert to fraction form
    42,321.35/63,481.43 = 10,300.54/x
  3. Step 3: Cross multiply
    42,321.35x = 63,481.43 × 10,300.54
  4. Step 4: Simplify right side
    42,321.35x = 653,893,008.97
  5. Step 5: Solve for x
    x = 653,893,008.97/42,321.35
  6. Step 6: Final answer
    x = 15,450.67

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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.