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Finding the Fourth Proportional to 58,884.75, 81,281.79 and 35,011.29

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Solution

The fourth proportional to 58,884.75, 81,281.79 and 35,011.29 is: 48,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,884.75 : 81,281.79 = 35,011.29 : x
  2. Step 2: Convert to fraction form
    58,884.75/81,281.79 = 35,011.29/x
  3. Step 3: Cross multiply
    58,884.75x = 81,281.79 × 35,011.29
  4. Step 4: Simplify right side
    58,884.75x = 2,845,780,321.41
  5. Step 5: Solve for x
    x = 2,845,780,321.41/58,884.75
  6. Step 6: Final answer
    x = 48,327.97

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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.