Home / 54,014.40-81,021.67-14,571.55

Finding the Fourth Proportional to 54,014.40, 81,021.67 and 14,571.55

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Solution

The fourth proportional to 54,014.40, 81,021.67 and 14,571.55 is: 21,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,014.40 : 81,021.67 = 14,571.55 : x
  2. Step 2: Convert to fraction form
    54,014.40/81,021.67 = 14,571.55/x
  3. Step 3: Cross multiply
    54,014.40x = 81,021.67 × 14,571.55
  4. Step 4: Simplify right side
    54,014.40x = 1,180,611,380.34
  5. Step 5: Solve for x
    x = 1,180,611,380.34/54,014.40
  6. Step 6: Final answer
    x = 21,857.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.