Home / 39,538.52-54,563.56-21,633.12

Finding the Fourth Proportional to 39,538.52, 54,563.56 and 21,633.12

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Solution

The fourth proportional to 39,538.52, 54,563.56 and 21,633.12 is: 29,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,538.52 : 54,563.56 = 21,633.12 : x
  2. Step 2: Convert to fraction form
    39,538.52/54,563.56 = 21,633.12/x
  3. Step 3: Cross multiply
    39,538.52x = 54,563.56 × 21,633.12
  4. Step 4: Simplify right side
    39,538.52x = 1,180,380,041.11
  5. Step 5: Solve for x
    x = 1,180,380,041.11/39,538.52
  6. Step 6: Final answer
    x = 29,853.93

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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.