Home / 34,389.80-51,584.70-13,613.30

Finding the Fourth Proportional to 34,389.80, 51,584.70 and 13,613.30

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Solution

The fourth proportional to 34,389.80, 51,584.70 and 13,613.30 is: 20,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,389.80 : 51,584.70 = 13,613.30 : x
  2. Step 2: Convert to fraction form
    34,389.80/51,584.70 = 13,613.30/x
  3. Step 3: Cross multiply
    34,389.80x = 51,584.70 × 13,613.30
  4. Step 4: Simplify right side
    34,389.80x = 702,237,996.51
  5. Step 5: Solve for x
    x = 702,237,996.51/34,389.80
  6. Step 6: Final answer
    x = 20,419.95

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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.