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Finding the Fourth Proportional to 58,649.67, 87,979.62 and 16,530.03

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Solution

The fourth proportional to 58,649.67, 87,979.62 and 16,530.03 is: 24,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,649.67 : 87,979.62 = 16,530.03 : x
  2. Step 2: Convert to fraction form
    58,649.67/87,979.62 = 16,530.03/x
  3. Step 3: Cross multiply
    58,649.67x = 87,979.62 × 16,530.03
  4. Step 4: Simplify right side
    58,649.67x = 1,454,305,757.99
  5. Step 5: Solve for x
    x = 1,454,305,757.99/58,649.67
  6. Step 6: Final answer
    x = 24,796.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.