Home / 30,723.64-46,077.26-18,950.79

Finding the Fourth Proportional to 30,723.64, 46,077.26 and 18,950.79

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Solution

The fourth proportional to 30,723.64, 46,077.26 and 18,950.79 is: 28,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.64 : 46,077.26 = 18,950.79 : x
  2. Step 2: Convert to fraction form
    30,723.64/46,077.26 = 18,950.79/x
  3. Step 3: Cross multiply
    30,723.64x = 46,077.26 × 18,950.79
  4. Step 4: Simplify right side
    30,723.64x = 873,200,556.07
  5. Step 5: Solve for x
    x = 873,200,556.07/30,723.64
  6. Step 6: Final answer
    x = 28,421.13

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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.