Home / 33,010.40-45,574.09-21,698.84

Finding the Fourth Proportional to 33,010.40, 45,574.09 and 21,698.84

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Solution

The fourth proportional to 33,010.40, 45,574.09 and 21,698.84 is: 29,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,010.40 : 45,574.09 = 21,698.84 : x
  2. Step 2: Convert to fraction form
    33,010.40/45,574.09 = 21,698.84/x
  3. Step 3: Cross multiply
    33,010.40x = 45,574.09 × 21,698.84
  4. Step 4: Simplify right side
    33,010.40x = 988,904,812.45
  5. Step 5: Solve for x
    x = 988,904,812.45/33,010.40
  6. Step 6: Final answer
    x = 29,957.37

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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.