Home / 39,849.09-54,963.30-25,688.25

Finding the Fourth Proportional to 39,849.09, 54,963.30 and 25,688.25

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Solution

The fourth proportional to 39,849.09, 54,963.30 and 25,688.25 is: 35,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.09 : 54,963.30 = 25,688.25 : x
  2. Step 2: Convert to fraction form
    39,849.09/54,963.30 = 25,688.25/x
  3. Step 3: Cross multiply
    39,849.09x = 54,963.30 × 25,688.25
  4. Step 4: Simplify right side
    39,849.09x = 1,411,910,991.23
  5. Step 5: Solve for x
    x = 1,411,910,991.23/39,849.09
  6. Step 6: Final answer
    x = 35,431.45

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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.