Home / 63,186.23-87,196.30-34,505.80

Finding the Fourth Proportional to 63,186.23, 87,196.30 and 34,505.80

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Solution

The fourth proportional to 63,186.23, 87,196.30 and 34,505.80 is: 47,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,186.23 : 87,196.30 = 34,505.80 : x
  2. Step 2: Convert to fraction form
    63,186.23/87,196.30 = 34,505.80/x
  3. Step 3: Cross multiply
    63,186.23x = 87,196.30 × 34,505.80
  4. Step 4: Simplify right side
    63,186.23x = 3,008,777,784.28
  5. Step 5: Solve for x
    x = 3,008,777,784.28/63,186.23
  6. Step 6: Final answer
    x = 47,617.62

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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.