Home / 30,636.72-45,933.48-11,901.15

Finding the Fourth Proportional to 30,636.72, 45,933.48 and 11,901.15

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Solution

The fourth proportional to 30,636.72, 45,933.48 and 11,901.15 is: 17,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,636.72 : 45,933.48 = 11,901.15 : x
  2. Step 2: Convert to fraction form
    30,636.72/45,933.48 = 11,901.15/x
  3. Step 3: Cross multiply
    30,636.72x = 45,933.48 × 11,901.15
  4. Step 4: Simplify right side
    30,636.72x = 546,661,235.50
  5. Step 5: Solve for x
    x = 546,661,235.50/30,636.72
  6. Step 6: Final answer
    x = 17,843.33

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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.