Home / 23,118.50-31,969.14-22,074.21

Finding the Fourth Proportional to 23,118.50, 31,969.14 and 22,074.21

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Solution

The fourth proportional to 23,118.50, 31,969.14 and 22,074.21 is: 30,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.50 : 31,969.14 = 22,074.21 : x
  2. Step 2: Convert to fraction form
    23,118.50/31,969.14 = 22,074.21/x
  3. Step 3: Cross multiply
    23,118.50x = 31,969.14 × 22,074.21
  4. Step 4: Simplify right side
    23,118.50x = 705,693,509.88
  5. Step 5: Solve for x
    x = 705,693,509.88/23,118.50
  6. Step 6: Final answer
    x = 30,525.06

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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.