Home / 58,838.97-81,198.32-31,981.54

Finding the Fourth Proportional to 58,838.97, 81,198.32 and 31,981.54

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Solution

The fourth proportional to 58,838.97, 81,198.32 and 31,981.54 is: 44,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,838.97 : 81,198.32 = 31,981.54 : x
  2. Step 2: Convert to fraction form
    58,838.97/81,198.32 = 31,981.54/x
  3. Step 3: Cross multiply
    58,838.97x = 81,198.32 × 31,981.54
  4. Step 4: Simplify right side
    58,838.97x = 2,596,847,319.01
  5. Step 5: Solve for x
    x = 2,596,847,319.01/58,838.97
  6. Step 6: Final answer
    x = 44,134.82

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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.