Home / 43,644.79-65,455.23-12,047.29

Finding the Fourth Proportional to 43,644.79, 65,455.23 and 12,047.29

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Solution

The fourth proportional to 43,644.79, 65,455.23 and 12,047.29 is: 18,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,644.79 : 65,455.23 = 12,047.29 : x
  2. Step 2: Convert to fraction form
    43,644.79/65,455.23 = 12,047.29/x
  3. Step 3: Cross multiply
    43,644.79x = 65,455.23 × 12,047.29
  4. Step 4: Simplify right side
    43,644.79x = 788,558,398.34
  5. Step 5: Solve for x
    x = 788,558,398.34/43,644.79
  6. Step 6: Final answer
    x = 18,067.64

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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.