Home / 48,048.20-72,072.30-21,804.20

Finding the Fourth Proportional to 48,048.20, 72,072.30 and 21,804.20

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Solution

The fourth proportional to 48,048.20, 72,072.30 and 21,804.20 is: 32,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,048.20 : 72,072.30 = 21,804.20 : x
  2. Step 2: Convert to fraction form
    48,048.20/72,072.30 = 21,804.20/x
  3. Step 3: Cross multiply
    48,048.20x = 72,072.30 × 21,804.20
  4. Step 4: Simplify right side
    48,048.20x = 1,571,478,843.66
  5. Step 5: Solve for x
    x = 1,571,478,843.66/48,048.20
  6. Step 6: Final answer
    x = 32,706.30

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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.