Home / 51,979.41-71,731.48-29,318.33

Finding the Fourth Proportional to 51,979.41, 71,731.48 and 29,318.33

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Solution

The fourth proportional to 51,979.41, 71,731.48 and 29,318.33 is: 40,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979.41 : 71,731.48 = 29,318.33 : x
  2. Step 2: Convert to fraction form
    51,979.41/71,731.48 = 29,318.33/x
  3. Step 3: Cross multiply
    51,979.41x = 71,731.48 × 29,318.33
  4. Step 4: Simplify right side
    51,979.41x = 2,103,047,202.03
  5. Step 5: Solve for x
    x = 2,103,047,202.03/51,979.41
  6. Step 6: Final answer
    x = 40,459.24

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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.