Home / 38,760.11-58,149.73-12,465.53

Finding the Fourth Proportional to 38,760.11, 58,149.73 and 12,465.53

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Solution

The fourth proportional to 38,760.11, 58,149.73 and 12,465.53 is: 18,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,760.11 : 58,149.73 = 12,465.53 : x
  2. Step 2: Convert to fraction form
    38,760.11/58,149.73 = 12,465.53/x
  3. Step 3: Cross multiply
    38,760.11x = 58,149.73 × 12,465.53
  4. Step 4: Simplify right side
    38,760.11x = 724,867,203.81
  5. Step 5: Solve for x
    x = 724,867,203.81/38,760.11
  6. Step 6: Final answer
    x = 18,701.37

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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.