Home / 50,727.72-76,107.76-21,148.68

Finding the Fourth Proportional to 50,727.72, 76,107.76 and 21,148.68

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Solution

The fourth proportional to 50,727.72, 76,107.76 and 21,148.68 is: 31,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,727.72 : 76,107.76 = 21,148.68 : x
  2. Step 2: Convert to fraction form
    50,727.72/76,107.76 = 21,148.68/x
  3. Step 3: Cross multiply
    50,727.72x = 76,107.76 × 21,148.68
  4. Step 4: Simplify right side
    50,727.72x = 1,609,578,661.76
  5. Step 5: Solve for x
    x = 1,609,578,661.76/50,727.72
  6. Step 6: Final answer
    x = 31,729.77

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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.