Home / 47,695.39-65,806.31-29,808.57

Finding the Fourth Proportional to 47,695.39, 65,806.31 and 29,808.57

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Solution

The fourth proportional to 47,695.39, 65,806.31 and 29,808.57 is: 41,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,695.39 : 65,806.31 = 29,808.57 : x
  2. Step 2: Convert to fraction form
    47,695.39/65,806.31 = 29,808.57/x
  3. Step 3: Cross multiply
    47,695.39x = 65,806.31 × 29,808.57
  4. Step 4: Simplify right side
    47,695.39x = 1,961,591,684.52
  5. Step 5: Solve for x
    x = 1,961,591,684.52/47,695.39
  6. Step 6: Final answer
    x = 41,127.49

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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.