Home / 49,308-68,049.80-29,171.35

Finding the Fourth Proportional to 49,308, 68,049.80 and 29,171.35

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Solution

The fourth proportional to 49,308, 68,049.80 and 29,171.35 is: 40,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,308 : 68,049.80 = 29,171.35 : x
  2. Step 2: Convert to fraction form
    49,308/68,049.80 = 29,171.35/x
  3. Step 3: Cross multiply
    49,308x = 68,049.80 × 29,171.35
  4. Step 4: Simplify right side
    49,308x = 1,985,104,533.23
  5. Step 5: Solve for x
    x = 1,985,104,533.23/49,308
  6. Step 6: Final answer
    x = 40,259.28

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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.