Home / 47,731.48-65,869.81-29,837.03

Finding the Fourth Proportional to 47,731.48, 65,869.81 and 29,837.03

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Solution

The fourth proportional to 47,731.48, 65,869.81 and 29,837.03 is: 41,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.48 : 65,869.81 = 29,837.03 : x
  2. Step 2: Convert to fraction form
    47,731.48/65,869.81 = 29,837.03/x
  3. Step 3: Cross multiply
    47,731.48x = 65,869.81 × 29,837.03
  4. Step 4: Simplify right side
    47,731.48x = 1,965,359,093.12
  5. Step 5: Solve for x
    x = 1,965,359,093.12/47,731.48
  6. Step 6: Final answer
    x = 41,175.32

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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.