Home / 34,715.38-52,075.49-13,938.88

Finding the Fourth Proportional to 34,715.38, 52,075.49 and 13,938.88

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Solution

The fourth proportional to 34,715.38, 52,075.49 and 13,938.88 is: 20,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.38 : 52,075.49 = 13,938.88 : x
  2. Step 2: Convert to fraction form
    34,715.38/52,075.49 = 13,938.88/x
  3. Step 3: Cross multiply
    34,715.38x = 52,075.49 × 13,938.88
  4. Step 4: Simplify right side
    34,715.38x = 725,874,006.05
  5. Step 5: Solve for x
    x = 725,874,006.05/34,715.38
  6. Step 6: Final answer
    x = 20,909.29

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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.