Home / 33,075.20-49,612.80-12,294.40

Finding the Fourth Proportional to 33,075.20, 49,612.80 and 12,294.40

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Solution

The fourth proportional to 33,075.20, 49,612.80 and 12,294.40 is: 18,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,075.20 : 49,612.80 = 12,294.40 : x
  2. Step 2: Convert to fraction form
    33,075.20/49,612.80 = 12,294.40/x
  3. Step 3: Cross multiply
    33,075.20x = 49,612.80 × 12,294.40
  4. Step 4: Simplify right side
    33,075.20x = 609,959,608.32
  5. Step 5: Solve for x
    x = 609,959,608.32/33,075.20
  6. Step 6: Final answer
    x = 18,441.60

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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.