Home / 43,865.50-65,805.09-14,276.35

Finding the Fourth Proportional to 43,865.50, 65,805.09 and 14,276.35

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Solution

The fourth proportional to 43,865.50, 65,805.09 and 14,276.35 is: 21,416.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,865.50 : 65,805.09 = 14,276.35 : x
  2. Step 2: Convert to fraction form
    43,865.50/65,805.09 = 14,276.35/x
  3. Step 3: Cross multiply
    43,865.50x = 65,805.09 × 14,276.35
  4. Step 4: Simplify right side
    43,865.50x = 939,456,496.62
  5. Step 5: Solve for x
    x = 939,456,496.62/43,865.50
  6. Step 6: Final answer
    x = 21,416.75

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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.