Home / 51,090.48-76,644.14-17,820.27

Finding the Fourth Proportional to 51,090.48, 76,644.14 and 17,820.27

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Solution

The fourth proportional to 51,090.48, 76,644.14 and 17,820.27 is: 26,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,090.48 : 76,644.14 = 17,820.27 : x
  2. Step 2: Convert to fraction form
    51,090.48/76,644.14 = 17,820.27/x
  3. Step 3: Cross multiply
    51,090.48x = 76,644.14 × 17,820.27
  4. Step 4: Simplify right side
    51,090.48x = 1,365,819,179.62
  5. Step 5: Solve for x
    x = 1,365,819,179.62/51,090.48
  6. Step 6: Final answer
    x = 26,733.34

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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.