Home / 50,723.05-76,043.35-21,162.91

Finding the Fourth Proportional to 50,723.05, 76,043.35 and 21,162.91

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Solution

The fourth proportional to 50,723.05, 76,043.35 and 21,162.91 is: 31,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,723.05 : 76,043.35 = 21,162.91 : x
  2. Step 2: Convert to fraction form
    50,723.05/76,043.35 = 21,162.91/x
  3. Step 3: Cross multiply
    50,723.05x = 76,043.35 × 21,162.91
  4. Step 4: Simplify right side
    50,723.05x = 1,609,298,572.15
  5. Step 5: Solve for x
    x = 1,609,298,572.15/50,723.05
  6. Step 6: Final answer
    x = 31,727.16

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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.