Home / 37,075.20-55,612.80-21,532.80

Finding the Fourth Proportional to 37,075.20, 55,612.80 and 21,532.80

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Solution

The fourth proportional to 37,075.20, 55,612.80 and 21,532.80 is: 32,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,075.20 : 55,612.80 = 21,532.80 : x
  2. Step 2: Convert to fraction form
    37,075.20/55,612.80 = 21,532.80/x
  3. Step 3: Cross multiply
    37,075.20x = 55,612.80 × 21,532.80
  4. Step 4: Simplify right side
    37,075.20x = 1,197,499,299.84
  5. Step 5: Solve for x
    x = 1,197,499,299.84/37,075.20
  6. Step 6: Final answer
    x = 32,299.20

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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.