Home / 55,831.87-77,043.99-31,958.20

Finding the Fourth Proportional to 55,831.87, 77,043.99 and 31,958.20

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Solution

The fourth proportional to 55,831.87, 77,043.99 and 31,958.20 is: 44,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.87 : 77,043.99 = 31,958.20 : x
  2. Step 2: Convert to fraction form
    55,831.87/77,043.99 = 31,958.20/x
  3. Step 3: Cross multiply
    55,831.87x = 77,043.99 × 31,958.20
  4. Step 4: Simplify right side
    55,831.87x = 2,462,187,241.22
  5. Step 5: Solve for x
    x = 2,462,187,241.22/55,831.87
  6. Step 6: Final answer
    x = 44,100.03

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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.