Home / 33,916.64-46,828.16-21,189.21

Finding the Fourth Proportional to 33,916.64, 46,828.16 and 21,189.21

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Solution

The fourth proportional to 33,916.64, 46,828.16 and 21,189.21 is: 29,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,916.64 : 46,828.16 = 21,189.21 : x
  2. Step 2: Convert to fraction form
    33,916.64/46,828.16 = 21,189.21/x
  3. Step 3: Cross multiply
    33,916.64x = 46,828.16 × 21,189.21
  4. Step 4: Simplify right side
    33,916.64x = 992,251,610.21
  5. Step 5: Solve for x
    x = 992,251,610.21/33,916.64
  6. Step 6: Final answer
    x = 29,255.60

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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.