Home / 51,100.29-76,662.90-17,820.63

Finding the Fourth Proportional to 51,100.29, 76,662.90 and 17,820.63

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Solution

The fourth proportional to 51,100.29, 76,662.90 and 17,820.63 is: 26,735.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,100.29 : 76,662.90 = 17,820.63 : x
  2. Step 2: Convert to fraction form
    51,100.29/76,662.90 = 17,820.63/x
  3. Step 3: Cross multiply
    51,100.29x = 76,662.90 × 17,820.63
  4. Step 4: Simplify right side
    51,100.29x = 1,366,181,175.63
  5. Step 5: Solve for x
    x = 1,366,181,175.63/51,100.29
  6. Step 6: Final answer
    x = 26,735.29

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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.