Home / 55,324.46-76,347.40-31,451.14

Finding the Fourth Proportional to 55,324.46, 76,347.40 and 31,451.14

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Solution

The fourth proportional to 55,324.46, 76,347.40 and 31,451.14 is: 43,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.46 : 76,347.40 = 31,451.14 : x
  2. Step 2: Convert to fraction form
    55,324.46/76,347.40 = 31,451.14/x
  3. Step 3: Cross multiply
    55,324.46x = 76,347.40 × 31,451.14
  4. Step 4: Simplify right side
    55,324.46x = 2,401,212,608.78
  5. Step 5: Solve for x
    x = 2,401,212,608.78/55,324.46
  6. Step 6: Final answer
    x = 43,402.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.