Home / 39,203.18-54,122.81-25,813.34

Finding the Fourth Proportional to 39,203.18, 54,122.81 and 25,813.34

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Solution

The fourth proportional to 39,203.18, 54,122.81 and 25,813.34 is: 35,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203.18 : 54,122.81 = 25,813.34 : x
  2. Step 2: Convert to fraction form
    39,203.18/54,122.81 = 25,813.34/x
  3. Step 3: Cross multiply
    39,203.18x = 54,122.81 × 25,813.34
  4. Step 4: Simplify right side
    39,203.18x = 1,397,090,496.29
  5. Step 5: Solve for x
    x = 1,397,090,496.29/39,203.18
  6. Step 6: Final answer
    x = 35,637.17

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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.