Home / 30,518.25-45,777.66-10,800.15

Finding the Fourth Proportional to 30,518.25, 45,777.66 and 10,800.15

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Solution

The fourth proportional to 30,518.25, 45,777.66 and 10,800.15 is: 16,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518.25 : 45,777.66 = 10,800.15 : x
  2. Step 2: Convert to fraction form
    30,518.25/45,777.66 = 10,800.15/x
  3. Step 3: Cross multiply
    30,518.25x = 45,777.66 × 10,800.15
  4. Step 4: Simplify right side
    30,518.25x = 494,405,594.65
  5. Step 5: Solve for x
    x = 494,405,594.65/30,518.25
  6. Step 6: Final answer
    x = 16,200.33

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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.