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Finding the Fourth Proportional to 47,113.03, 65,016.03 and 25,891.84

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Solution

The fourth proportional to 47,113.03, 65,016.03 and 25,891.84 is: 35,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,113.03 : 65,016.03 = 25,891.84 : x
  2. Step 2: Convert to fraction form
    47,113.03/65,016.03 = 25,891.84/x
  3. Step 3: Cross multiply
    47,113.03x = 65,016.03 × 25,891.84
  4. Step 4: Simplify right side
    47,113.03x = 1,683,384,646.20
  5. Step 5: Solve for x
    x = 1,683,384,646.20/47,113.03
  6. Step 6: Final answer
    x = 35,730.77

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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.