Home / 31,850.90-47,777.43-8,477.36

Finding the Fourth Proportional to 31,850.90, 47,777.43 and 8,477.36

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Solution

The fourth proportional to 31,850.90, 47,777.43 and 8,477.36 is: 12,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850.90 : 47,777.43 = 8,477.36 : x
  2. Step 2: Convert to fraction form
    31,850.90/47,777.43 = 8,477.36/x
  3. Step 3: Cross multiply
    31,850.90x = 47,777.43 × 8,477.36
  4. Step 4: Simplify right side
    31,850.90x = 405,026,473.98
  5. Step 5: Solve for x
    x = 405,026,473.98/31,850.90
  6. Step 6: Final answer
    x = 12,716.33

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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.