Home / 39,983.49-59,909.60-13,673.88

Finding the Fourth Proportional to 39,983.49, 59,909.60 and 13,673.88

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Solution

The fourth proportional to 39,983.49, 59,909.60 and 13,673.88 is: 20,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.49 : 59,909.60 = 13,673.88 : x
  2. Step 2: Convert to fraction form
    39,983.49/59,909.60 = 13,673.88/x
  3. Step 3: Cross multiply
    39,983.49x = 59,909.60 × 13,673.88
  4. Step 4: Simplify right side
    39,983.49x = 819,196,762.65
  5. Step 5: Solve for x
    x = 819,196,762.65/39,983.49
  6. Step 6: Final answer
    x = 20,488.37

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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.