Home / 35,778.51-49,365.45-19,858.97

Finding the Fourth Proportional to 35,778.51, 49,365.45 and 19,858.97

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Solution

The fourth proportional to 35,778.51, 49,365.45 and 19,858.97 is: 27,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.51 : 49,365.45 = 19,858.97 : x
  2. Step 2: Convert to fraction form
    35,778.51/49,365.45 = 19,858.97/x
  3. Step 3: Cross multiply
    35,778.51x = 49,365.45 × 19,858.97
  4. Step 4: Simplify right side
    35,778.51x = 980,347,114.00
  5. Step 5: Solve for x
    x = 980,347,114.00/35,778.51
  6. Step 6: Final answer
    x = 27,400.45

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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.