Home / 39,203.68-54,123.50-25,813.84

Finding the Fourth Proportional to 39,203.68, 54,123.50 and 25,813.84

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Solution

The fourth proportional to 39,203.68, 54,123.50 and 25,813.84 is: 35,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203.68 : 54,123.50 = 25,813.84 : x
  2. Step 2: Convert to fraction form
    39,203.68/54,123.50 = 25,813.84/x
  3. Step 3: Cross multiply
    39,203.68x = 54,123.50 × 25,813.84
  4. Step 4: Simplify right side
    39,203.68x = 1,397,135,369.24
  5. Step 5: Solve for x
    x = 1,397,135,369.24/39,203.68
  6. Step 6: Final answer
    x = 35,637.86

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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.