Home / 34,314.90-51,377.85-17,638.98

Finding the Fourth Proportional to 34,314.90, 51,377.85 and 17,638.98

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Solution

The fourth proportional to 34,314.90, 51,377.85 and 17,638.98 is: 26,409.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,314.90 : 51,377.85 = 17,638.98 : x
  2. Step 2: Convert to fraction form
    34,314.90/51,377.85 = 17,638.98/x
  3. Step 3: Cross multiply
    34,314.90x = 51,377.85 × 17,638.98
  4. Step 4: Simplify right side
    34,314.90x = 906,252,868.59
  5. Step 5: Solve for x
    x = 906,252,868.59/34,314.90
  6. Step 6: Final answer
    x = 26,409.89

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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.