Home / 33,421.49-46,117.26-19,987.84

Finding the Fourth Proportional to 33,421.49, 46,117.26 and 19,987.84

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Solution

The fourth proportional to 33,421.49, 46,117.26 and 19,987.84 is: 27,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.49 : 46,117.26 = 19,987.84 : x
  2. Step 2: Convert to fraction form
    33,421.49/46,117.26 = 19,987.84/x
  3. Step 3: Cross multiply
    33,421.49x = 46,117.26 × 19,987.84
  4. Step 4: Simplify right side
    33,421.49x = 921,784,083.59
  5. Step 5: Solve for x
    x = 921,784,083.59/33,421.49
  6. Step 6: Final answer
    x = 27,580.58

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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.