Home / 47,111.92-65,014.48-25,891.20

Finding the Fourth Proportional to 47,111.92, 65,014.48 and 25,891.20

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Solution

The fourth proportional to 47,111.92, 65,014.48 and 25,891.20 is: 35,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,111.92 : 65,014.48 = 25,891.20 : x
  2. Step 2: Convert to fraction form
    47,111.92/65,014.48 = 25,891.20/x
  3. Step 3: Cross multiply
    47,111.92x = 65,014.48 × 25,891.20
  4. Step 4: Simplify right side
    47,111.92x = 1,683,302,904.58
  5. Step 5: Solve for x
    x = 1,683,302,904.58/47,111.92
  6. Step 6: Final answer
    x = 35,729.87

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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.