Home / 58,647.64-80,934.78-31,791.04

Finding the Fourth Proportional to 58,647.64, 80,934.78 and 31,791.04

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Solution

The fourth proportional to 58,647.64, 80,934.78 and 31,791.04 is: 43,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,647.64 : 80,934.78 = 31,791.04 : x
  2. Step 2: Convert to fraction form
    58,647.64/80,934.78 = 31,791.04/x
  3. Step 3: Cross multiply
    58,647.64x = 80,934.78 × 31,791.04
  4. Step 4: Simplify right side
    58,647.64x = 2,573,000,828.37
  5. Step 5: Solve for x
    x = 2,573,000,828.37/58,647.64
  6. Step 6: Final answer
    x = 43,872.20

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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.