Home / 46,738.56-70,129.68-20,450.88

Finding the Fourth Proportional to 46,738.56, 70,129.68 and 20,450.88

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Solution

The fourth proportional to 46,738.56, 70,129.68 and 20,450.88 is: 30,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,738.56 : 70,129.68 = 20,450.88 : x
  2. Step 2: Convert to fraction form
    46,738.56/70,129.68 = 20,450.88/x
  3. Step 3: Cross multiply
    46,738.56x = 70,129.68 × 20,450.88
  4. Step 4: Simplify right side
    46,738.56x = 1,434,213,670.12
  5. Step 5: Solve for x
    x = 1,434,213,670.12/46,738.56
  6. Step 6: Final answer
    x = 30,685.88

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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.