Home / 45,326.58-67,990.68-15,745.38

Finding the Fourth Proportional to 45,326.58, 67,990.68 and 15,745.38

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Solution

The fourth proportional to 45,326.58, 67,990.68 and 15,745.38 is: 23,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326.58 : 67,990.68 = 15,745.38 : x
  2. Step 2: Convert to fraction form
    45,326.58/67,990.68 = 15,745.38/x
  3. Step 3: Cross multiply
    45,326.58x = 67,990.68 × 15,745.38
  4. Step 4: Simplify right side
    45,326.58x = 1,070,539,093.06
  5. Step 5: Solve for x
    x = 1,070,539,093.06/45,326.58
  6. Step 6: Final answer
    x = 23,618.35

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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.