Home / 36,514.29-54,771.93-12,820.89

Finding the Fourth Proportional to 36,514.29, 54,771.93 and 12,820.89

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Solution

The fourth proportional to 36,514.29, 54,771.93 and 12,820.89 is: 19,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,514.29 : 54,771.93 = 12,820.89 : x
  2. Step 2: Convert to fraction form
    36,514.29/54,771.93 = 12,820.89/x
  3. Step 3: Cross multiply
    36,514.29x = 54,771.93 × 12,820.89
  4. Step 4: Simplify right side
    36,514.29x = 702,224,889.62
  5. Step 5: Solve for x
    x = 702,224,889.62/36,514.29
  6. Step 6: Final answer
    x = 19,231.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.