Home / 30,309.75-41,828.27-16,881.57

Finding the Fourth Proportional to 30,309.75, 41,828.27 and 16,881.57

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Solution

The fourth proportional to 30,309.75, 41,828.27 and 16,881.57 is: 23,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309.75 : 41,828.27 = 16,881.57 : x
  2. Step 2: Convert to fraction form
    30,309.75/41,828.27 = 16,881.57/x
  3. Step 3: Cross multiply
    30,309.75x = 41,828.27 × 16,881.57
  4. Step 4: Simplify right side
    30,309.75x = 706,126,783.58
  5. Step 5: Solve for x
    x = 706,126,783.58/30,309.75
  6. Step 6: Final answer
    x = 23,297.02

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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.