Home / 39,665.45-59,488.97-11,579.58

Finding the Fourth Proportional to 39,665.45, 59,488.97 and 11,579.58

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Solution

The fourth proportional to 39,665.45, 59,488.97 and 11,579.58 is: 17,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665.45 : 59,488.97 = 11,579.58 : x
  2. Step 2: Convert to fraction form
    39,665.45/59,488.97 = 11,579.58/x
  3. Step 3: Cross multiply
    39,665.45x = 59,488.97 × 11,579.58
  4. Step 4: Simplify right side
    39,665.45x = 688,857,229.33
  5. Step 5: Solve for x
    x = 688,857,229.33/39,665.45
  6. Step 6: Final answer
    x = 17,366.68

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1.5x scale

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.