Home / 43,939.28-65,917.42-14,349.18

Finding the Fourth Proportional to 43,939.28, 65,917.42 and 14,349.18

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Solution

The fourth proportional to 43,939.28, 65,917.42 and 14,349.18 is: 21,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939.28 : 65,917.42 = 14,349.18 : x
  2. Step 2: Convert to fraction form
    43,939.28/65,917.42 = 14,349.18/x
  3. Step 3: Cross multiply
    43,939.28x = 65,917.42 × 14,349.18
  4. Step 4: Simplify right side
    43,939.28x = 945,860,924.72
  5. Step 5: Solve for x
    x = 945,860,924.72/43,939.28
  6. Step 6: Final answer
    x = 21,526.55

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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.