Home / 43,957-65,938.54-17,661.72

Finding the Fourth Proportional to 43,957, 65,938.54 and 17,661.72

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Solution

The fourth proportional to 43,957, 65,938.54 and 17,661.72 is: 26,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,957 : 65,938.54 = 17,661.72 : x
  2. Step 2: Convert to fraction form
    43,957/65,938.54 = 17,661.72/x
  3. Step 3: Cross multiply
    43,957x = 65,938.54 × 17,661.72
  4. Step 4: Simplify right side
    43,957x = 1,164,588,030.69
  5. Step 5: Solve for x
    x = 1,164,588,030.69/43,957
  6. Step 6: Final answer
    x = 26,493.80

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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.