Home / 39,568.88-59,359.80-18,785.36

Finding the Fourth Proportional to 39,568.88, 59,359.80 and 18,785.36

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Solution

The fourth proportional to 39,568.88, 59,359.80 and 18,785.36 is: 28,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,568.88 : 59,359.80 = 18,785.36 : x
  2. Step 2: Convert to fraction form
    39,568.88/59,359.80 = 18,785.36/x
  3. Step 3: Cross multiply
    39,568.88x = 59,359.80 × 18,785.36
  4. Step 4: Simplify right side
    39,568.88x = 1,115,095,212.53
  5. Step 5: Solve for x
    x = 1,115,095,212.53/39,568.88
  6. Step 6: Final answer
    x = 28,181.12

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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.