Home / 30,528.25-45,788.70-8,343.56

Finding the Fourth Proportional to 30,528.25, 45,788.70 and 8,343.56

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Solution

The fourth proportional to 30,528.25, 45,788.70 and 8,343.56 is: 12,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.25 : 45,788.70 = 8,343.56 : x
  2. Step 2: Convert to fraction form
    30,528.25/45,788.70 = 8,343.56/x
  3. Step 3: Cross multiply
    30,528.25x = 45,788.70 × 8,343.56
  4. Step 4: Simplify right side
    30,528.25x = 382,040,765.77
  5. Step 5: Solve for x
    x = 382,040,765.77/30,528.25
  6. Step 6: Final answer
    x = 12,514.34

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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.