Home / 39,610.40-59,332.80-18,568.40

Finding the Fourth Proportional to 39,610.40, 59,332.80 and 18,568.40

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Solution

The fourth proportional to 39,610.40, 59,332.80 and 18,568.40 is: 27,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,610.40 : 59,332.80 = 18,568.40 : x
  2. Step 2: Convert to fraction form
    39,610.40/59,332.80 = 18,568.40/x
  3. Step 3: Cross multiply
    39,610.40x = 59,332.80 × 18,568.40
  4. Step 4: Simplify right side
    39,610.40x = 1,101,715,163.52
  5. Step 5: Solve for x
    x = 1,101,715,163.52/39,610.40
  6. Step 6: Final answer
    x = 27,813.79

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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.