Home / 38,880.07-58,305.83-13,913.37

Finding the Fourth Proportional to 38,880.07, 58,305.83 and 13,913.37

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Solution

The fourth proportional to 38,880.07, 58,305.83 and 13,913.37 is: 20,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880.07 : 58,305.83 = 13,913.37 : x
  2. Step 2: Convert to fraction form
    38,880.07/58,305.83 = 13,913.37/x
  3. Step 3: Cross multiply
    38,880.07x = 58,305.83 × 13,913.37
  4. Step 4: Simplify right side
    38,880.07x = 811,230,516.38
  5. Step 5: Solve for x
    x = 811,230,516.38/38,880.07
  6. Step 6: Final answer
    x = 20,864.95

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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.