Home / 38,401.96-57,597.47-12,103.28

Finding the Fourth Proportional to 38,401.96, 57,597.47 and 12,103.28

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Solution

The fourth proportional to 38,401.96, 57,597.47 and 12,103.28 is: 18,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.96 : 57,597.47 = 12,103.28 : x
  2. Step 2: Convert to fraction form
    38,401.96/57,597.47 = 12,103.28/x
  3. Step 3: Cross multiply
    38,401.96x = 57,597.47 × 12,103.28
  4. Step 4: Simplify right side
    38,401.96x = 697,118,246.19
  5. Step 5: Solve for x
    x = 697,118,246.19/38,401.96
  6. Step 6: Final answer
    x = 18,153.20

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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.