Home / 43,664.54-65,509.56-14,081.72

Finding the Fourth Proportional to 43,664.54, 65,509.56 and 14,081.72

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Solution

The fourth proportional to 43,664.54, 65,509.56 and 14,081.72 is: 21,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,664.54 : 65,509.56 = 14,081.72 : x
  2. Step 2: Convert to fraction form
    43,664.54/65,509.56 = 14,081.72/x
  3. Step 3: Cross multiply
    43,664.54x = 65,509.56 × 14,081.72
  4. Step 4: Simplify right side
    43,664.54x = 922,486,953.70
  5. Step 5: Solve for x
    x = 922,486,953.70/43,664.54
  6. Step 6: Final answer
    x = 21,126.69

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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.