Home / 48,390.66-72,586-15,113.58

Finding the Fourth Proportional to 48,390.66, 72,586 and 15,113.58

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Solution

The fourth proportional to 48,390.66, 72,586 and 15,113.58 is: 22,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,390.66 : 72,586 = 15,113.58 : x
  2. Step 2: Convert to fraction form
    48,390.66/72,586 = 15,113.58/x
  3. Step 3: Cross multiply
    48,390.66x = 72,586 × 15,113.58
  4. Step 4: Simplify right side
    48,390.66x = 1,097,034,317.88
  5. Step 5: Solve for x
    x = 1,097,034,317.88/48,390.66
  6. Step 6: Final answer
    x = 22,670.37

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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.