Home / 55,795.50-76,997.79-30,646.62

Finding the Fourth Proportional to 55,795.50, 76,997.79 and 30,646.62

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Solution

The fourth proportional to 55,795.50, 76,997.79 and 30,646.62 is: 42,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,795.50 : 76,997.79 = 30,646.62 : x
  2. Step 2: Convert to fraction form
    55,795.50/76,997.79 = 30,646.62/x
  3. Step 3: Cross multiply
    55,795.50x = 76,997.79 × 30,646.62
  4. Step 4: Simplify right side
    55,795.50x = 2,359,722,010.97
  5. Step 5: Solve for x
    x = 2,359,722,010.97/55,795.50
  6. Step 6: Final answer
    x = 42,292.34

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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.