Home / 52,208.16-72,036-30,994.44

Finding the Fourth Proportional to 52,208.16, 72,036 and 30,994.44

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Solution

The fourth proportional to 52,208.16, 72,036 and 30,994.44 is: 42,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,208.16 : 72,036 = 30,994.44 : x
  2. Step 2: Convert to fraction form
    52,208.16/72,036 = 30,994.44/x
  3. Step 3: Cross multiply
    52,208.16x = 72,036 × 30,994.44
  4. Step 4: Simplify right side
    52,208.16x = 2,232,715,479.84
  5. Step 5: Solve for x
    x = 2,232,715,479.84/52,208.16
  6. Step 6: Final answer
    x = 42,765.64

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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.