Home / 53,564.82-80,356.47-21,992.07

Finding the Fourth Proportional to 53,564.82, 80,356.47 and 21,992.07

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Solution

The fourth proportional to 53,564.82, 80,356.47 and 21,992.07 is: 32,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,564.82 : 80,356.47 = 21,992.07 : x
  2. Step 2: Convert to fraction form
    53,564.82/80,356.47 = 21,992.07/x
  3. Step 3: Cross multiply
    53,564.82x = 80,356.47 × 21,992.07
  4. Step 4: Simplify right side
    53,564.82x = 1,767,205,003.23
  5. Step 5: Solve for x
    x = 1,767,205,003.23/53,564.82
  6. Step 6: Final answer
    x = 32,991.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.