Home / 33,421.63-46,121.86-18,314.17

Finding the Fourth Proportional to 33,421.63, 46,121.86 and 18,314.17

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Solution

The fourth proportional to 33,421.63, 46,121.86 and 18,314.17 is: 25,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.63 : 46,121.86 = 18,314.17 : x
  2. Step 2: Convert to fraction form
    33,421.63/46,121.86 = 18,314.17/x
  3. Step 3: Cross multiply
    33,421.63x = 46,121.86 × 18,314.17
  4. Step 4: Simplify right side
    33,421.63x = 844,683,584.76
  5. Step 5: Solve for x
    x = 844,683,584.76/33,421.63
  6. Step 6: Final answer
    x = 25,273.56

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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.