Home / 49,800.15-74,699.91-20,217.69

Finding the Fourth Proportional to 49,800.15, 74,699.91 and 20,217.69

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Solution

The fourth proportional to 49,800.15, 74,699.91 and 20,217.69 is: 30,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,800.15 : 74,699.91 = 20,217.69 : x
  2. Step 2: Convert to fraction form
    49,800.15/74,699.91 = 20,217.69/x
  3. Step 3: Cross multiply
    49,800.15x = 74,699.91 × 20,217.69
  4. Step 4: Simplify right side
    49,800.15x = 1,510,259,623.41
  5. Step 5: Solve for x
    x = 1,510,259,623.41/49,800.15
  6. Step 6: Final answer
    x = 30,326.41

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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.