Home / 36,556.20-54,856.24-15,779.68

Finding the Fourth Proportional to 36,556.20, 54,856.24 and 15,779.68

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Solution

The fourth proportional to 36,556.20, 54,856.24 and 15,779.68 is: 23,678.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,556.20 : 54,856.24 = 15,779.68 : x
  2. Step 2: Convert to fraction form
    36,556.20/54,856.24 = 15,779.68/x
  3. Step 3: Cross multiply
    36,556.20x = 54,856.24 × 15,779.68
  4. Step 4: Simplify right side
    36,556.20x = 865,613,913.20
  5. Step 5: Solve for x
    x = 865,613,913.20/36,556.20
  6. Step 6: Final answer
    x = 23,678.99

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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.