Home / 30,260.24-45,391.58-10,540.79

Finding the Fourth Proportional to 30,260.24, 45,391.58 and 10,540.79

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Solution

The fourth proportional to 30,260.24, 45,391.58 and 10,540.79 is: 15,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.24 : 45,391.58 = 10,540.79 : x
  2. Step 2: Convert to fraction form
    30,260.24/45,391.58 = 10,540.79/x
  3. Step 3: Cross multiply
    30,260.24x = 45,391.58 × 10,540.79
  4. Step 4: Simplify right side
    30,260.24x = 478,463,112.55
  5. Step 5: Solve for x
    x = 478,463,112.55/30,260.24
  6. Step 6: Final answer
    x = 15,811.61

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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.