Home / 45,134.13-67,712.01-13,969.38

Finding the Fourth Proportional to 45,134.13, 67,712.01 and 13,969.38

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Solution

The fourth proportional to 45,134.13, 67,712.01 and 13,969.38 is: 20,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,134.13 : 67,712.01 = 13,969.38 : x
  2. Step 2: Convert to fraction form
    45,134.13/67,712.01 = 13,969.38/x
  3. Step 3: Cross multiply
    45,134.13x = 67,712.01 × 13,969.38
  4. Step 4: Simplify right side
    45,134.13x = 945,894,798.25
  5. Step 5: Solve for x
    x = 945,894,798.25/45,134.13
  6. Step 6: Final answer
    x = 20,957.42

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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.