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Finding the Fourth Proportional to 58,774.80, 81,108.09 and 33,279.24

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Solution

The fourth proportional to 58,774.80, 81,108.09 and 33,279.24 is: 45,924.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,774.80 : 81,108.09 = 33,279.24 : x
  2. Step 2: Convert to fraction form
    58,774.80/81,108.09 = 33,279.24/x
  3. Step 3: Cross multiply
    58,774.80x = 81,108.09 × 33,279.24
  4. Step 4: Simplify right side
    58,774.80x = 2,699,215,593.05
  5. Step 5: Solve for x
    x = 2,699,215,593.05/58,774.80
  6. Step 6: Final answer
    x = 45,924.71

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1.5x scale

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.