Home / 39,538.50-54,562.62-21,633.24

Finding the Fourth Proportional to 39,538.50, 54,562.62 and 21,633.24

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Solution

The fourth proportional to 39,538.50, 54,562.62 and 21,633.24 is: 29,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,538.50 : 54,562.62 = 21,633.24 : x
  2. Step 2: Convert to fraction form
    39,538.50/54,562.62 = 21,633.24/x
  3. Step 3: Cross multiply
    39,538.50x = 54,562.62 × 21,633.24
  4. Step 4: Simplify right side
    39,538.50x = 1,180,366,253.49
  5. Step 5: Solve for x
    x = 1,180,366,253.49/39,538.50
  6. Step 6: Final answer
    x = 29,853.59

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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.