Home / 31,127.88-46,692.62-8,940.36

Finding the Fourth Proportional to 31,127.88, 46,692.62 and 8,940.36

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Solution

The fourth proportional to 31,127.88, 46,692.62 and 8,940.36 is: 13,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127.88 : 46,692.62 = 8,940.36 : x
  2. Step 2: Convert to fraction form
    31,127.88/46,692.62 = 8,940.36/x
  3. Step 3: Cross multiply
    31,127.88x = 46,692.62 × 8,940.36
  4. Step 4: Simplify right side
    31,127.88x = 417,448,832.14
  5. Step 5: Solve for x
    x = 417,448,832.14/31,127.88
  6. Step 6: Final answer
    x = 13,410.77

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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.