Home / 30,592.53-45,870.32-13,722.45

Finding the Fourth Proportional to 30,592.53, 45,870.32 and 13,722.45

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Solution

The fourth proportional to 30,592.53, 45,870.32 and 13,722.45 is: 20,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592.53 : 45,870.32 = 13,722.45 : x
  2. Step 2: Convert to fraction form
    30,592.53/45,870.32 = 13,722.45/x
  3. Step 3: Cross multiply
    30,592.53x = 45,870.32 × 13,722.45
  4. Step 4: Simplify right side
    30,592.53x = 629,453,104.07
  5. Step 5: Solve for x
    x = 629,453,104.07/30,592.53
  6. Step 6: Final answer
    x = 20,575.39

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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.