Home / 33,813.36-46,657.08-21,877.20

Finding the Fourth Proportional to 33,813.36, 46,657.08 and 21,877.20

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Solution

The fourth proportional to 33,813.36, 46,657.08 and 21,877.20 is: 30,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,813.36 : 46,657.08 = 21,877.20 : x
  2. Step 2: Convert to fraction form
    33,813.36/46,657.08 = 21,877.20/x
  3. Step 3: Cross multiply
    33,813.36x = 46,657.08 × 21,877.20
  4. Step 4: Simplify right side
    33,813.36x = 1,020,726,270.58
  5. Step 5: Solve for x
    x = 1,020,726,270.58/33,813.36
  6. Step 6: Final answer
    x = 30,187.07

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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.