Home / 34,863.32-48,111.10-18,947.87

Finding the Fourth Proportional to 34,863.32, 48,111.10 and 18,947.87

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Solution

The fourth proportional to 34,863.32, 48,111.10 and 18,947.87 is: 26,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,863.32 : 48,111.10 = 18,947.87 : x
  2. Step 2: Convert to fraction form
    34,863.32/48,111.10 = 18,947.87/x
  3. Step 3: Cross multiply
    34,863.32x = 48,111.10 × 18,947.87
  4. Step 4: Simplify right side
    34,863.32x = 911,602,760.85
  5. Step 5: Solve for x
    x = 911,602,760.85/34,863.32
  6. Step 6: Final answer
    x = 26,147.90

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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.