Home / 52,028.20-78,045.74-18,290.14

Finding the Fourth Proportional to 52,028.20, 78,045.74 and 18,290.14

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Solution

The fourth proportional to 52,028.20, 78,045.74 and 18,290.14 is: 27,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,028.20 : 78,045.74 = 18,290.14 : x
  2. Step 2: Convert to fraction form
    52,028.20/78,045.74 = 18,290.14/x
  3. Step 3: Cross multiply
    52,028.20x = 78,045.74 × 18,290.14
  4. Step 4: Simplify right side
    52,028.20x = 1,427,467,511.00
  5. Step 5: Solve for x
    x = 1,427,467,511.00/52,028.20
  6. Step 6: Final answer
    x = 27,436.42

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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.