Home / 34,478.81-51,718.40-13,702.37

Finding the Fourth Proportional to 34,478.81, 51,718.40 and 13,702.37

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Solution

The fourth proportional to 34,478.81, 51,718.40 and 13,702.37 is: 20,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,478.81 : 51,718.40 = 13,702.37 : x
  2. Step 2: Convert to fraction form
    34,478.81/51,718.40 = 13,702.37/x
  3. Step 3: Cross multiply
    34,478.81x = 51,718.40 × 13,702.37
  4. Step 4: Simplify right side
    34,478.81x = 708,664,584.10
  5. Step 5: Solve for x
    x = 708,664,584.10/34,478.81
  6. Step 6: Final answer
    x = 20,553.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.