Home / 71,427.78-98,559.99-39,596.67

Finding the Fourth Proportional to 71,427.78, 98,559.99 and 39,596.67

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Solution

The fourth proportional to 71,427.78, 98,559.99 and 39,596.67 is: 54,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,427.78 : 98,559.99 = 39,596.67 : x
  2. Step 2: Convert to fraction form
    71,427.78/98,559.99 = 39,596.67/x
  3. Step 3: Cross multiply
    71,427.78x = 98,559.99 × 39,596.67
  4. Step 4: Simplify right side
    71,427.78x = 3,902,647,399.23
  5. Step 5: Solve for x
    x = 3,902,647,399.23/71,427.78
  6. Step 6: Final answer
    x = 54,637.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.