Home / 55,324.16-76,345.44-31,451.84

Finding the Fourth Proportional to 55,324.16, 76,345.44 and 31,451.84

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Solution

The fourth proportional to 55,324.16, 76,345.44 and 31,451.84 is: 43,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.16 : 76,345.44 = 31,451.84 : x
  2. Step 2: Convert to fraction form
    55,324.16/76,345.44 = 31,451.84/x
  3. Step 3: Cross multiply
    55,324.16x = 76,345.44 × 31,451.84
  4. Step 4: Simplify right side
    55,324.16x = 2,401,204,563.61
  5. Step 5: Solve for x
    x = 2,401,204,563.61/55,324.16
  6. Step 6: Final answer
    x = 43,402.46

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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.