Home / 52,959.21-79,482.57-21,816.33

Finding the Fourth Proportional to 52,959.21, 79,482.57 and 21,816.33

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Solution

The fourth proportional to 52,959.21, 79,482.57 and 21,816.33 is: 32,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,959.21 : 79,482.57 = 21,816.33 : x
  2. Step 2: Convert to fraction form
    52,959.21/79,482.57 = 21,816.33/x
  3. Step 3: Cross multiply
    52,959.21x = 79,482.57 × 21,816.33
  4. Step 4: Simplify right side
    52,959.21x = 1,734,017,976.37
  5. Step 5: Solve for x
    x = 1,734,017,976.37/52,959.21
  6. Step 6: Final answer
    x = 32,742.52

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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.