Home / 30,290.56-41,805.12-19,144.96

Finding the Fourth Proportional to 30,290.56, 41,805.12 and 19,144.96

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Solution

The fourth proportional to 30,290.56, 41,805.12 and 19,144.96 is: 26,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.56 : 41,805.12 = 19,144.96 : x
  2. Step 2: Convert to fraction form
    30,290.56/41,805.12 = 19,144.96/x
  3. Step 3: Cross multiply
    30,290.56x = 41,805.12 × 19,144.96
  4. Step 4: Simplify right side
    30,290.56x = 800,357,350.20
  5. Step 5: Solve for x
    x = 800,357,350.20/30,290.56
  6. Step 6: Final answer
    x = 26,422.67

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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.