Home / 40,958.34-61,436.89-13,256.34

Finding the Fourth Proportional to 40,958.34, 61,436.89 and 13,256.34

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Solution

The fourth proportional to 40,958.34, 61,436.89 and 13,256.34 is: 19,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,958.34 : 61,436.89 = 13,256.34 : x
  2. Step 2: Convert to fraction form
    40,958.34/61,436.89 = 13,256.34/x
  3. Step 3: Cross multiply
    40,958.34x = 61,436.89 × 13,256.34
  4. Step 4: Simplify right side
    40,958.34x = 814,428,302.38
  5. Step 5: Solve for x
    x = 814,428,302.38/40,958.34
  6. Step 6: Final answer
    x = 19,884.31

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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.