Home / 55,901.58-83,826.45-20,831.82

Finding the Fourth Proportional to 55,901.58, 83,826.45 and 20,831.82

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Solution

The fourth proportional to 55,901.58, 83,826.45 and 20,831.82 is: 31,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,901.58 : 83,826.45 = 20,831.82 : x
  2. Step 2: Convert to fraction form
    55,901.58/83,826.45 = 20,831.82/x
  3. Step 3: Cross multiply
    55,901.58x = 83,826.45 × 20,831.82
  4. Step 4: Simplify right side
    55,901.58x = 1,746,257,517.64
  5. Step 5: Solve for x
    x = 1,746,257,517.64/55,901.58
  6. Step 6: Final answer
    x = 31,238.07

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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.