Home / 39,514.30-54,529.74-21,609.34

Finding the Fourth Proportional to 39,514.30, 54,529.74 and 21,609.34

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Solution

The fourth proportional to 39,514.30, 54,529.74 and 21,609.34 is: 29,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,514.30 : 54,529.74 = 21,609.34 : x
  2. Step 2: Convert to fraction form
    39,514.30/54,529.74 = 21,609.34/x
  3. Step 3: Cross multiply
    39,514.30x = 54,529.74 × 21,609.34
  4. Step 4: Simplify right side
    39,514.30x = 1,178,351,691.77
  5. Step 5: Solve for x
    x = 1,178,351,691.77/39,514.30
  6. Step 6: Final answer
    x = 29,820.89

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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.