Home / 50,740.20-76,115.10-13,804.20

Finding the Fourth Proportional to 50,740.20, 76,115.10 and 13,804.20

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Solution

The fourth proportional to 50,740.20, 76,115.10 and 13,804.20 is: 20,707.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,740.20 : 76,115.10 = 13,804.20 : x
  2. Step 2: Convert to fraction form
    50,740.20/76,115.10 = 13,804.20/x
  3. Step 3: Cross multiply
    50,740.20x = 76,115.10 × 13,804.20
  4. Step 4: Simplify right side
    50,740.20x = 1,050,708,063.42
  5. Step 5: Solve for x
    x = 1,050,708,063.42/50,740.20
  6. Step 6: Final answer
    x = 20,707.61

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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.