Home / 52,235.42-78,384.26-18,958.08

Finding the Fourth Proportional to 52,235.42, 78,384.26 and 18,958.08

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Solution

The fourth proportional to 52,235.42, 78,384.26 and 18,958.08 is: 28,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,235.42 : 78,384.26 = 18,958.08 : x
  2. Step 2: Convert to fraction form
    52,235.42/78,384.26 = 18,958.08/x
  3. Step 3: Cross multiply
    52,235.42x = 78,384.26 × 18,958.08
  4. Step 4: Simplify right side
    52,235.42x = 1,486,015,071.82
  5. Step 5: Solve for x
    x = 1,486,015,071.82/52,235.42
  6. Step 6: Final answer
    x = 28,448.42

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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.