Home / 39,514.59-54,528.12-21,606.12

Finding the Fourth Proportional to 39,514.59, 54,528.12 and 21,606.12

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Solution

The fourth proportional to 39,514.59, 54,528.12 and 21,606.12 is: 29,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,514.59 : 54,528.12 = 21,606.12 : x
  2. Step 2: Convert to fraction form
    39,514.59/54,528.12 = 21,606.12/x
  3. Step 3: Cross multiply
    39,514.59x = 54,528.12 × 21,606.12
  4. Step 4: Simplify right side
    39,514.59x = 1,178,141,104.09
  5. Step 5: Solve for x
    x = 1,178,141,104.09/39,514.59
  6. Step 6: Final answer
    x = 29,815.34

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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.