Home / 45,651.85-62,977.74-28,647.64

Finding the Fourth Proportional to 45,651.85, 62,977.74 and 28,647.64

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Solution

The fourth proportional to 45,651.85, 62,977.74 and 28,647.64 is: 39,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,651.85 : 62,977.74 = 28,647.64 : x
  2. Step 2: Convert to fraction form
    45,651.85/62,977.74 = 28,647.64/x
  3. Step 3: Cross multiply
    45,651.85x = 62,977.74 × 28,647.64
  4. Step 4: Simplify right side
    45,651.85x = 1,804,163,623.53
  5. Step 5: Solve for x
    x = 1,804,163,623.53/45,651.85
  6. Step 6: Final answer
    x = 39,520.06

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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.