Home / 35,992.21-49,658.23-20,879.63

Finding the Fourth Proportional to 35,992.21, 49,658.23 and 20,879.63

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Solution

The fourth proportional to 35,992.21, 49,658.23 and 20,879.63 is: 28,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,992.21 : 49,658.23 = 20,879.63 : x
  2. Step 2: Convert to fraction form
    35,992.21/49,658.23 = 20,879.63/x
  3. Step 3: Cross multiply
    35,992.21x = 49,658.23 × 20,879.63
  4. Step 4: Simplify right side
    35,992.21x = 1,036,845,468.85
  5. Step 5: Solve for x
    x = 1,036,845,468.85/35,992.21
  6. Step 6: Final answer
    x = 28,807.50

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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.