Home / 58,579.30-80,839.47-31,721.84

Finding the Fourth Proportional to 58,579.30, 80,839.47 and 31,721.84

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Solution

The fourth proportional to 58,579.30, 80,839.47 and 31,721.84 is: 43,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,579.30 : 80,839.47 = 31,721.84 : x
  2. Step 2: Convert to fraction form
    58,579.30/80,839.47 = 31,721.84/x
  3. Step 3: Cross multiply
    58,579.30x = 80,839.47 × 31,721.84
  4. Step 4: Simplify right side
    58,579.30x = 2,564,376,447.78
  5. Step 5: Solve for x
    x = 2,564,376,447.78/58,579.30
  6. Step 6: Final answer
    x = 43,776.16

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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.