Home / 48,535.44-66,972.76-28,388.36

Finding the Fourth Proportional to 48,535.44, 66,972.76 and 28,388.36

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Solution

The fourth proportional to 48,535.44, 66,972.76 and 28,388.36 is: 39,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,535.44 : 66,972.76 = 28,388.36 : x
  2. Step 2: Convert to fraction form
    48,535.44/66,972.76 = 28,388.36/x
  3. Step 3: Cross multiply
    48,535.44x = 66,972.76 × 28,388.36
  4. Step 4: Simplify right side
    48,535.44x = 1,901,246,821.07
  5. Step 5: Solve for x
    x = 1,901,246,821.07/48,535.44
  6. Step 6: Final answer
    x = 39,172.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.