Home / 33,867.04-46,759.34-21,139.61

Finding the Fourth Proportional to 33,867.04, 46,759.34 and 21,139.61

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Solution

The fourth proportional to 33,867.04, 46,759.34 and 21,139.61 is: 29,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,867.04 : 46,759.34 = 21,139.61 : x
  2. Step 2: Convert to fraction form
    33,867.04/46,759.34 = 21,139.61/x
  3. Step 3: Cross multiply
    33,867.04x = 46,759.34 × 21,139.61
  4. Step 4: Simplify right side
    33,867.04x = 988,474,030.51
  5. Step 5: Solve for x
    x = 988,474,030.51/33,867.04
  6. Step 6: Final answer
    x = 29,186.91

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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.