Home / 58,579.77-80,839.97-31,722.20

Finding the Fourth Proportional to 58,579.77, 80,839.97 and 31,722.20

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Solution

The fourth proportional to 58,579.77, 80,839.97 and 31,722.20 is: 43,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,579.77 : 80,839.97 = 31,722.20 : x
  2. Step 2: Convert to fraction form
    58,579.77/80,839.97 = 31,722.20/x
  3. Step 3: Cross multiply
    58,579.77x = 80,839.97 × 31,722.20
  4. Step 4: Simplify right side
    58,579.77x = 2,564,421,696.33
  5. Step 5: Solve for x
    x = 2,564,421,696.33/58,579.77
  6. Step 6: Final answer
    x = 43,776.58

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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.