Home / 30,920.73-46,375.26-13,148.10

Finding the Fourth Proportional to 30,920.73, 46,375.26 and 13,148.10

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Solution

The fourth proportional to 30,920.73, 46,375.26 and 13,148.10 is: 19,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920.73 : 46,375.26 = 13,148.10 : x
  2. Step 2: Convert to fraction form
    30,920.73/46,375.26 = 13,148.10/x
  3. Step 3: Cross multiply
    30,920.73x = 46,375.26 × 13,148.10
  4. Step 4: Simplify right side
    30,920.73x = 609,746,556.01
  5. Step 5: Solve for x
    x = 609,746,556.01/30,920.73
  6. Step 6: Final answer
    x = 19,719.67

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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.