Home / 39,001.69-53,822.37-21,096.64

Finding the Fourth Proportional to 39,001.69, 53,822.37 and 21,096.64

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Solution

The fourth proportional to 39,001.69, 53,822.37 and 21,096.64 is: 29,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.69 : 53,822.37 = 21,096.64 : x
  2. Step 2: Convert to fraction form
    39,001.69/53,822.37 = 21,096.64/x
  3. Step 3: Cross multiply
    39,001.69x = 53,822.37 × 21,096.64
  4. Step 4: Simplify right side
    39,001.69x = 1,135,471,163.84
  5. Step 5: Solve for x
    x = 1,135,471,163.84/39,001.69
  6. Step 6: Final answer
    x = 29,113.38

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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.