Home / 30,400.72-45,573.24-10,668.52

Finding the Fourth Proportional to 30,400.72, 45,573.24 and 10,668.52

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Solution

The fourth proportional to 30,400.72, 45,573.24 and 10,668.52 is: 15,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.72 : 45,573.24 = 10,668.52 : x
  2. Step 2: Convert to fraction form
    30,400.72/45,573.24 = 10,668.52/x
  3. Step 3: Cross multiply
    30,400.72x = 45,573.24 × 10,668.52
  4. Step 4: Simplify right side
    30,400.72x = 486,199,022.40
  5. Step 5: Solve for x
    x = 486,199,022.40/30,400.72
  6. Step 6: Final answer
    x = 15,993.01

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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.