Home / 54,611.10-81,928.34-30,929.84

Finding the Fourth Proportional to 54,611.10, 81,928.34 and 30,929.84

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Solution

The fourth proportional to 54,611.10, 81,928.34 and 30,929.84 is: 46,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,611.10 : 81,928.34 = 30,929.84 : x
  2. Step 2: Convert to fraction form
    54,611.10/81,928.34 = 30,929.84/x
  3. Step 3: Cross multiply
    54,611.10x = 81,928.34 × 30,929.84
  4. Step 4: Simplify right side
    54,611.10x = 2,534,030,480.57
  5. Step 5: Solve for x
    x = 2,534,030,480.57/54,611.10
  6. Step 6: Final answer
    x = 46,401.38

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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.