Home / 33,075.20-49,612.80-19,953.20

Finding the Fourth Proportional to 33,075.20, 49,612.80 and 19,953.20

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Solution

The fourth proportional to 33,075.20, 49,612.80 and 19,953.20 is: 29,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,075.20 : 49,612.80 = 19,953.20 : x
  2. Step 2: Convert to fraction form
    33,075.20/49,612.80 = 19,953.20/x
  3. Step 3: Cross multiply
    33,075.20x = 49,612.80 × 19,953.20
  4. Step 4: Simplify right side
    33,075.20x = 989,934,120.96
  5. Step 5: Solve for x
    x = 989,934,120.96/33,075.20
  6. Step 6: Final answer
    x = 29,929.80

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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.