Home / 47,642.24-65,716.26-30,668.66

Finding the Fourth Proportional to 47,642.24, 65,716.26 and 30,668.66

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Solution

The fourth proportional to 47,642.24, 65,716.26 and 30,668.66 is: 42,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,642.24 : 65,716.26 = 30,668.66 : x
  2. Step 2: Convert to fraction form
    47,642.24/65,716.26 = 30,668.66/x
  3. Step 3: Cross multiply
    47,642.24x = 65,716.26 × 30,668.66
  4. Step 4: Simplify right side
    47,642.24x = 2,015,429,634.41
  5. Step 5: Solve for x
    x = 2,015,429,634.41/47,642.24
  6. Step 6: Final answer
    x = 42,303.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.