Home / 38,319.88-57,479.74-12,026.66

Finding the Fourth Proportional to 38,319.88, 57,479.74 and 12,026.66

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Solution

The fourth proportional to 38,319.88, 57,479.74 and 12,026.66 is: 18,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,319.88 : 57,479.74 = 12,026.66 : x
  2. Step 2: Convert to fraction form
    38,319.88/57,479.74 = 12,026.66/x
  3. Step 3: Cross multiply
    38,319.88x = 57,479.74 × 12,026.66
  4. Step 4: Simplify right side
    38,319.88x = 691,289,289.87
  5. Step 5: Solve for x
    x = 691,289,289.87/38,319.88
  6. Step 6: Final answer
    x = 18,039.96

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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.