Home / 38,814.91-58,222.35-12,519.64

Finding the Fourth Proportional to 38,814.91, 58,222.35 and 12,519.64

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Solution

The fourth proportional to 38,814.91, 58,222.35 and 12,519.64 is: 18,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,814.91 : 58,222.35 = 12,519.64 : x
  2. Step 2: Convert to fraction form
    38,814.91/58,222.35 = 12,519.64/x
  3. Step 3: Cross multiply
    38,814.91x = 58,222.35 × 12,519.64
  4. Step 4: Simplify right side
    38,814.91x = 728,922,861.95
  5. Step 5: Solve for x
    x = 728,922,861.95/38,814.91
  6. Step 6: Final answer
    x = 18,779.46

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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.