Home / 58,730.26-81,047.82-31,872.78

Finding the Fourth Proportional to 58,730.26, 81,047.82 and 31,872.78

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Solution

The fourth proportional to 58,730.26, 81,047.82 and 31,872.78 is: 43,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,730.26 : 81,047.82 = 31,872.78 : x
  2. Step 2: Convert to fraction form
    58,730.26/81,047.82 = 31,872.78/x
  3. Step 3: Cross multiply
    58,730.26x = 81,047.82 × 31,872.78
  4. Step 4: Simplify right side
    58,730.26x = 2,583,218,771.74
  5. Step 5: Solve for x
    x = 2,583,218,771.74/58,730.26
  6. Step 6: Final answer
    x = 43,984.46

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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.