Home / 34,265.70-51,386.40-12,079.80

Finding the Fourth Proportional to 34,265.70, 51,386.40 and 12,079.80

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Solution

The fourth proportional to 34,265.70, 51,386.40 and 12,079.80 is: 18,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,265.70 : 51,386.40 = 12,079.80 : x
  2. Step 2: Convert to fraction form
    34,265.70/51,386.40 = 12,079.80/x
  3. Step 3: Cross multiply
    34,265.70x = 51,386.40 × 12,079.80
  4. Step 4: Simplify right side
    34,265.70x = 620,737,434.72
  5. Step 5: Solve for x
    x = 620,737,434.72/34,265.70
  6. Step 6: Final answer
    x = 18,115.42

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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.