Home / 39,538.45-54,563.03-21,633.53

Finding the Fourth Proportional to 39,538.45, 54,563.03 and 21,633.53

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Solution

The fourth proportional to 39,538.45, 54,563.03 and 21,633.53 is: 29,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,538.45 : 54,563.03 = 21,633.53 : x
  2. Step 2: Convert to fraction form
    39,538.45/54,563.03 = 21,633.53/x
  3. Step 3: Cross multiply
    39,538.45x = 54,563.03 × 21,633.53
  4. Step 4: Simplify right side
    39,538.45x = 1,180,390,838.23
  5. Step 5: Solve for x
    x = 1,180,390,838.23/39,538.45
  6. Step 6: Final answer
    x = 29,854.25

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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.