Home / 43,364.06-65,056.38-13,781.91

Finding the Fourth Proportional to 43,364.06, 65,056.38 and 13,781.91

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Solution

The fourth proportional to 43,364.06, 65,056.38 and 13,781.91 is: 20,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,364.06 : 65,056.38 = 13,781.91 : x
  2. Step 2: Convert to fraction form
    43,364.06/65,056.38 = 13,781.91/x
  3. Step 3: Cross multiply
    43,364.06x = 65,056.38 × 13,781.91
  4. Step 4: Simplify right side
    43,364.06x = 896,601,174.09
  5. Step 5: Solve for x
    x = 896,601,174.09/43,364.06
  6. Step 6: Final answer
    x = 20,676.14

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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.