Home / 30,324.87-45,495.90-10,338.75

Finding the Fourth Proportional to 30,324.87, 45,495.90 and 10,338.75

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Solution

The fourth proportional to 30,324.87, 45,495.90 and 10,338.75 is: 15,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,324.87 : 45,495.90 = 10,338.75 : x
  2. Step 2: Convert to fraction form
    30,324.87/45,495.90 = 10,338.75/x
  3. Step 3: Cross multiply
    30,324.87x = 45,495.90 × 10,338.75
  4. Step 4: Simplify right side
    30,324.87x = 470,370,736.13
  5. Step 5: Solve for x
    x = 470,370,736.13/30,324.87
  6. Step 6: Final answer
    x = 15,511.06

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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.