Home / 39,127.76-53,982.16-25,706.32

Finding the Fourth Proportional to 39,127.76, 53,982.16 and 25,706.32

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Solution

The fourth proportional to 39,127.76, 53,982.16 and 25,706.32 is: 35,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,127.76 : 53,982.16 = 25,706.32 : x
  2. Step 2: Convert to fraction form
    39,127.76/53,982.16 = 25,706.32/x
  3. Step 3: Cross multiply
    39,127.76x = 53,982.16 × 25,706.32
  4. Step 4: Simplify right side
    39,127.76x = 1,387,682,679.25
  5. Step 5: Solve for x
    x = 1,387,682,679.25/39,127.76
  6. Step 6: Final answer
    x = 35,465.43

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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.