Home / 45,745.83-63,129.42-25,605.99

Finding the Fourth Proportional to 45,745.83, 63,129.42 and 25,605.99

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Solution

The fourth proportional to 45,745.83, 63,129.42 and 25,605.99 is: 35,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,745.83 : 63,129.42 = 25,605.99 : x
  2. Step 2: Convert to fraction form
    45,745.83/63,129.42 = 25,605.99/x
  3. Step 3: Cross multiply
    45,745.83x = 63,129.42 × 25,605.99
  4. Step 4: Simplify right side
    45,745.83x = 1,616,491,297.23
  5. Step 5: Solve for x
    x = 1,616,491,297.23/45,745.83
  6. Step 6: Final answer
    x = 35,336.36

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1.5x scale

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.