Home / 30,111.40-41,554.06-16,682.86

Finding the Fourth Proportional to 30,111.40, 41,554.06 and 16,682.86

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Solution

The fourth proportional to 30,111.40, 41,554.06 and 16,682.86 is: 23,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.40 : 41,554.06 = 16,682.86 : x
  2. Step 2: Convert to fraction form
    30,111.40/41,554.06 = 16,682.86/x
  3. Step 3: Cross multiply
    30,111.40x = 41,554.06 × 16,682.86
  4. Step 4: Simplify right side
    30,111.40x = 693,240,419.82
  5. Step 5: Solve for x
    x = 693,240,419.82/30,111.40
  6. Step 6: Final answer
    x = 23,022.53

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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.