Home / 30,401.55-41,944.30-19,075.64

Finding the Fourth Proportional to 30,401.55, 41,944.30 and 19,075.64

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Solution

The fourth proportional to 30,401.55, 41,944.30 and 19,075.64 is: 26,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.55 : 41,944.30 = 19,075.64 : x
  2. Step 2: Convert to fraction form
    30,401.55/41,944.30 = 19,075.64/x
  3. Step 3: Cross multiply
    30,401.55x = 41,944.30 × 19,075.64
  4. Step 4: Simplify right side
    30,401.55x = 800,114,109.44
  5. Step 5: Solve for x
    x = 800,114,109.44/30,401.55
  6. Step 6: Final answer
    x = 26,318.20

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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.