Home / 33,649.92-46,425.60-21,070.08

Finding the Fourth Proportional to 33,649.92, 46,425.60 and 21,070.08

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Solution

The fourth proportional to 33,649.92, 46,425.60 and 21,070.08 is: 29,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,649.92 : 46,425.60 = 21,070.08 : x
  2. Step 2: Convert to fraction form
    33,649.92/46,425.60 = 21,070.08/x
  3. Step 3: Cross multiply
    33,649.92x = 46,425.60 × 21,070.08
  4. Step 4: Simplify right side
    33,649.92x = 978,191,106.05
  5. Step 5: Solve for x
    x = 978,191,106.05/33,649.92
  6. Step 6: Final answer
    x = 29,069.64

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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.