Home / 30,111.53-41,550.48-16,679.43

Finding the Fourth Proportional to 30,111.53, 41,550.48 and 16,679.43

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Solution

The fourth proportional to 30,111.53, 41,550.48 and 16,679.43 is: 23,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.53 : 41,550.48 = 16,679.43 : x
  2. Step 2: Convert to fraction form
    30,111.53/41,550.48 = 16,679.43/x
  3. Step 3: Cross multiply
    30,111.53x = 41,550.48 × 16,679.43
  4. Step 4: Simplify right side
    30,111.53x = 693,038,322.63
  5. Step 5: Solve for x
    x = 693,038,322.63/30,111.53
  6. Step 6: Final answer
    x = 23,015.72

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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.