Home / 33,409.04-46,072.67-19,978.16

Finding the Fourth Proportional to 33,409.04, 46,072.67 and 19,978.16

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Solution

The fourth proportional to 33,409.04, 46,072.67 and 19,978.16 is: 27,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,409.04 : 46,072.67 = 19,978.16 : x
  2. Step 2: Convert to fraction form
    33,409.04/46,072.67 = 19,978.16/x
  3. Step 3: Cross multiply
    33,409.04x = 46,072.67 × 19,978.16
  4. Step 4: Simplify right side
    33,409.04x = 920,446,842.63
  5. Step 5: Solve for x
    x = 920,446,842.63/33,409.04
  6. Step 6: Final answer
    x = 27,550.84

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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.