Home / 38,982.86-58,465.90-12,330.94

Finding the Fourth Proportional to 38,982.86, 58,465.90 and 12,330.94

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Solution

The fourth proportional to 38,982.86, 58,465.90 and 12,330.94 is: 18,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.86 : 58,465.90 = 12,330.94 : x
  2. Step 2: Convert to fraction form
    38,982.86/58,465.90 = 12,330.94/x
  3. Step 3: Cross multiply
    38,982.86x = 58,465.90 × 12,330.94
  4. Step 4: Simplify right side
    38,982.86x = 720,939,504.95
  5. Step 5: Solve for x
    x = 720,939,504.95/38,982.86
  6. Step 6: Final answer
    x = 18,493.76

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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.