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Finding the Fourth Proportional to 58,739.67, 81,060.54 and 33,245.34

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Solution

The fourth proportional to 58,739.67, 81,060.54 and 33,245.34 is: 45,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,739.67 : 81,060.54 = 33,245.34 : x
  2. Step 2: Convert to fraction form
    58,739.67/81,060.54 = 33,245.34/x
  3. Step 3: Cross multiply
    58,739.67x = 81,060.54 × 33,245.34
  4. Step 4: Simplify right side
    58,739.67x = 2,694,885,212.88
  5. Step 5: Solve for x
    x = 2,694,885,212.88/58,739.67
  6. Step 6: Final answer
    x = 45,878.45

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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.