Home / 39,395.12-54,372.31-23,480.57

Finding the Fourth Proportional to 39,395.12, 54,372.31 and 23,480.57

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Solution

The fourth proportional to 39,395.12, 54,372.31 and 23,480.57 is: 32,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,395.12 : 54,372.31 = 23,480.57 : x
  2. Step 2: Convert to fraction form
    39,395.12/54,372.31 = 23,480.57/x
  3. Step 3: Cross multiply
    39,395.12x = 54,372.31 × 23,480.57
  4. Step 4: Simplify right side
    39,395.12x = 1,276,692,908.25
  5. Step 5: Solve for x
    x = 1,276,692,908.25/39,395.12
  6. Step 6: Final answer
    x = 32,407.39

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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.