Home / 30,857.49-46,305.36-14,219.91

Finding the Fourth Proportional to 30,857.49, 46,305.36 and 14,219.91

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Solution

The fourth proportional to 30,857.49, 46,305.36 and 14,219.91 is: 21,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857.49 : 46,305.36 = 14,219.91 : x
  2. Step 2: Convert to fraction form
    30,857.49/46,305.36 = 14,219.91/x
  3. Step 3: Cross multiply
    30,857.49x = 46,305.36 × 14,219.91
  4. Step 4: Simplify right side
    30,857.49x = 658,458,051.72
  5. Step 5: Solve for x
    x = 658,458,051.72/30,857.49
  6. Step 6: Final answer
    x = 21,338.68

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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.