Home / 38,900.73-58,354.16-19,168.53

Finding the Fourth Proportional to 38,900.73, 58,354.16 and 19,168.53

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Solution

The fourth proportional to 38,900.73, 58,354.16 and 19,168.53 is: 28,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,900.73 : 58,354.16 = 19,168.53 : x
  2. Step 2: Convert to fraction form
    38,900.73/58,354.16 = 19,168.53/x
  3. Step 3: Cross multiply
    38,900.73x = 58,354.16 × 19,168.53
  4. Step 4: Simplify right side
    38,900.73x = 1,118,563,466.58
  5. Step 5: Solve for x
    x = 1,118,563,466.58/38,900.73
  6. Step 6: Final answer
    x = 28,754.31

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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.