Home / 38,318.84-57,487.98-12,023.81

Finding the Fourth Proportional to 38,318.84, 57,487.98 and 12,023.81

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Solution

The fourth proportional to 38,318.84, 57,487.98 and 12,023.81 is: 18,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.84 : 57,487.98 = 12,023.81 : x
  2. Step 2: Convert to fraction form
    38,318.84/57,487.98 = 12,023.81/x
  3. Step 3: Cross multiply
    38,318.84x = 57,487.98 × 12,023.81
  4. Step 4: Simplify right side
    38,318.84x = 691,224,201.24
  5. Step 5: Solve for x
    x = 691,224,201.24/38,318.84
  6. Step 6: Final answer
    x = 18,038.76

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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.