Home / 30,050.56-45,075.84-9,273.60

Finding the Fourth Proportional to 30,050.56, 45,075.84 and 9,273.60

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Solution

The fourth proportional to 30,050.56, 45,075.84 and 9,273.60 is: 13,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.56 : 45,075.84 = 9,273.60 : x
  2. Step 2: Convert to fraction form
    30,050.56/45,075.84 = 9,273.60/x
  3. Step 3: Cross multiply
    30,050.56x = 45,075.84 × 9,273.60
  4. Step 4: Simplify right side
    30,050.56x = 418,015,309.82
  5. Step 5: Solve for x
    x = 418,015,309.82/30,050.56
  6. Step 6: Final answer
    x = 13,910.40

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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.