Home / 50,983.48-76,476-19,393.96

Finding the Fourth Proportional to 50,983.48, 76,476 and 19,393.96

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Solution

The fourth proportional to 50,983.48, 76,476 and 19,393.96 is: 29,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,983.48 : 76,476 = 19,393.96 : x
  2. Step 2: Convert to fraction form
    50,983.48/76,476 = 19,393.96/x
  3. Step 3: Cross multiply
    50,983.48x = 76,476 × 19,393.96
  4. Step 4: Simplify right side
    50,983.48x = 1,483,172,484.96
  5. Step 5: Solve for x
    x = 1,483,172,484.96/50,983.48
  6. Step 6: Final answer
    x = 29,091.24

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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.