Home / 38,246.27-52,779.68-21,253.28

Finding the Fourth Proportional to 38,246.27, 52,779.68 and 21,253.28

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Solution

The fourth proportional to 38,246.27, 52,779.68 and 21,253.28 is: 29,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,246.27 : 52,779.68 = 21,253.28 : x
  2. Step 2: Convert to fraction form
    38,246.27/52,779.68 = 21,253.28/x
  3. Step 3: Cross multiply
    38,246.27x = 52,779.68 × 21,253.28
  4. Step 4: Simplify right side
    38,246.27x = 1,121,741,317.35
  5. Step 5: Solve for x
    x = 1,121,741,317.35/38,246.27
  6. Step 6: Final answer
    x = 29,329.43

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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.