Home / 34,702.43-47,889.29-18,786.87

Finding the Fourth Proportional to 34,702.43, 47,889.29 and 18,786.87

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Solution

The fourth proportional to 34,702.43, 47,889.29 and 18,786.87 is: 25,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.43 : 47,889.29 = 18,786.87 : x
  2. Step 2: Convert to fraction form
    34,702.43/47,889.29 = 18,786.87/x
  3. Step 3: Cross multiply
    34,702.43x = 47,889.29 × 18,786.87
  4. Step 4: Simplify right side
    34,702.43x = 899,689,806.91
  5. Step 5: Solve for x
    x = 899,689,806.91/34,702.43
  6. Step 6: Final answer
    x = 25,925.85

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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.