Home / 51,213.07-76,816.87-19,638.26

Finding the Fourth Proportional to 51,213.07, 76,816.87 and 19,638.26

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Solution

The fourth proportional to 51,213.07, 76,816.87 and 19,638.26 is: 29,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,213.07 : 76,816.87 = 19,638.26 : x
  2. Step 2: Convert to fraction form
    51,213.07/76,816.87 = 19,638.26/x
  3. Step 3: Cross multiply
    51,213.07x = 76,816.87 × 19,638.26
  4. Step 4: Simplify right side
    51,213.07x = 1,508,549,630.79
  5. Step 5: Solve for x
    x = 1,508,549,630.79/51,213.07
  6. Step 6: Final answer
    x = 29,456.34

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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.