Home / 42,450.58-63,672.20-14,370.03

Finding the Fourth Proportional to 42,450.58, 63,672.20 and 14,370.03

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Solution

The fourth proportional to 42,450.58, 63,672.20 and 14,370.03 is: 21,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,450.58 : 63,672.20 = 14,370.03 : x
  2. Step 2: Convert to fraction form
    42,450.58/63,672.20 = 14,370.03/x
  3. Step 3: Cross multiply
    42,450.58x = 63,672.20 × 14,370.03
  4. Step 4: Simplify right side
    42,450.58x = 914,971,424.17
  5. Step 5: Solve for x
    x = 914,971,424.17/42,450.58
  6. Step 6: Final answer
    x = 21,553.80

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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.