Home / 34,863.45-48,111.87-18,947.91

Finding the Fourth Proportional to 34,863.45, 48,111.87 and 18,947.91

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Solution

The fourth proportional to 34,863.45, 48,111.87 and 18,947.91 is: 26,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,863.45 : 48,111.87 = 18,947.91 : x
  2. Step 2: Convert to fraction form
    34,863.45/48,111.87 = 18,947.91/x
  3. Step 3: Cross multiply
    34,863.45x = 48,111.87 × 18,947.91
  4. Step 4: Simplify right side
    34,863.45x = 911,619,382.69
  5. Step 5: Solve for x
    x = 911,619,382.69/34,863.45
  6. Step 6: Final answer
    x = 26,148.28

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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.