Home / 34,971.80-52,465.90-13,913.04

Finding the Fourth Proportional to 34,971.80, 52,465.90 and 13,913.04

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Solution

The fourth proportional to 34,971.80, 52,465.90 and 13,913.04 is: 20,872.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,971.80 : 52,465.90 = 13,913.04 : x
  2. Step 2: Convert to fraction form
    34,971.80/52,465.90 = 13,913.04/x
  3. Step 3: Cross multiply
    34,971.80x = 52,465.90 × 13,913.04
  4. Step 4: Simplify right side
    34,971.80x = 729,960,130.55
  5. Step 5: Solve for x
    x = 729,960,130.55/34,971.80
  6. Step 6: Final answer
    x = 20,872.82

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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.