Home / 20,368.87-30,554.21-5,577.46

Finding the Fourth Proportional to 20,368.87, 30,554.21 and 5,577.46

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Solution

The fourth proportional to 20,368.87, 30,554.21 and 5,577.46 is: 8,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.87 : 30,554.21 = 5,577.46 : x
  2. Step 2: Convert to fraction form
    20,368.87/30,554.21 = 5,577.46/x
  3. Step 3: Cross multiply
    20,368.87x = 30,554.21 × 5,577.46
  4. Step 4: Simplify right side
    20,368.87x = 170,414,821.66
  5. Step 5: Solve for x
    x = 170,414,821.66/20,368.87
  6. Step 6: Final answer
    x = 8,366.44

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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.