Home / 63,270.72-87,318-34,979.04

Finding the Fourth Proportional to 63,270.72, 87,318 and 34,979.04

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Solution

The fourth proportional to 63,270.72, 87,318 and 34,979.04 is: 48,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,270.72 : 87,318 = 34,979.04 : x
  2. Step 2: Convert to fraction form
    63,270.72/87,318 = 34,979.04/x
  3. Step 3: Cross multiply
    63,270.72x = 87,318 × 34,979.04
  4. Step 4: Simplify right side
    63,270.72x = 3,054,299,814.72
  5. Step 5: Solve for x
    x = 3,054,299,814.72/63,270.72
  6. Step 6: Final answer
    x = 48,273.51

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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.