Home / 43,579.64-65,363.25-13,993.64

Finding the Fourth Proportional to 43,579.64, 65,363.25 and 13,993.64

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Solution

The fourth proportional to 43,579.64, 65,363.25 and 13,993.64 is: 20,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.64 : 65,363.25 = 13,993.64 : x
  2. Step 2: Convert to fraction form
    43,579.64/65,363.25 = 13,993.64/x
  3. Step 3: Cross multiply
    43,579.64x = 65,363.25 × 13,993.64
  4. Step 4: Simplify right side
    43,579.64x = 914,669,462.91
  5. Step 5: Solve for x
    x = 914,669,462.91/43,579.64
  6. Step 6: Final answer
    x = 20,988.46

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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.