Home / 30,716.94-46,101.34-21,223.74

Finding the Fourth Proportional to 30,716.94, 46,101.34 and 21,223.74

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Solution

The fourth proportional to 30,716.94, 46,101.34 and 21,223.74 is: 31,853.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,716.94 : 46,101.34 = 21,223.74 : x
  2. Step 2: Convert to fraction form
    30,716.94/46,101.34 = 21,223.74/x
  3. Step 3: Cross multiply
    30,716.94x = 46,101.34 × 21,223.74
  4. Step 4: Simplify right side
    30,716.94x = 978,442,853.81
  5. Step 5: Solve for x
    x = 978,442,853.81/30,716.94
  6. Step 6: Final answer
    x = 31,853.53

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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.