Home / 41,780.91-62,658.93-12,190.80

Finding the Fourth Proportional to 41,780.91, 62,658.93 and 12,190.80

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Solution

The fourth proportional to 41,780.91, 62,658.93 and 12,190.80 is: 18,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,780.91 : 62,658.93 = 12,190.80 : x
  2. Step 2: Convert to fraction form
    41,780.91/62,658.93 = 12,190.80/x
  3. Step 3: Cross multiply
    41,780.91x = 62,658.93 × 12,190.80
  4. Step 4: Simplify right side
    41,780.91x = 763,862,483.84
  5. Step 5: Solve for x
    x = 763,862,483.84/41,780.91
  6. Step 6: Final answer
    x = 18,282.57

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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.