Home / 30,091.99-45,140.51-10,362.55

Finding the Fourth Proportional to 30,091.99, 45,140.51 and 10,362.55

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Solution

The fourth proportional to 30,091.99, 45,140.51 and 10,362.55 is: 15,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,091.99 : 45,140.51 = 10,362.55 : x
  2. Step 2: Convert to fraction form
    30,091.99/45,140.51 = 10,362.55/x
  3. Step 3: Cross multiply
    30,091.99x = 45,140.51 × 10,362.55
  4. Step 4: Simplify right side
    30,091.99x = 467,770,791.90
  5. Step 5: Solve for x
    x = 467,770,791.90/30,091.99
  6. Step 6: Final answer
    x = 15,544.69

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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.