Home / 39,173.36-58,761.41-12,880.13

Finding the Fourth Proportional to 39,173.36, 58,761.41 and 12,880.13

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Solution

The fourth proportional to 39,173.36, 58,761.41 and 12,880.13 is: 19,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.36 : 58,761.41 = 12,880.13 : x
  2. Step 2: Convert to fraction form
    39,173.36/58,761.41 = 12,880.13/x
  3. Step 3: Cross multiply
    39,173.36x = 58,761.41 × 12,880.13
  4. Step 4: Simplify right side
    39,173.36x = 756,854,241.58
  5. Step 5: Solve for x
    x = 756,854,241.58/39,173.36
  6. Step 6: Final answer
    x = 19,320.64

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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.