Home / 69,402.40-104,088-31,926.49

Finding the Fourth Proportional to 69,402.40, 104,088 and 31,926.49

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Solution

The fourth proportional to 69,402.40, 104,088 and 31,926.49 is: 47,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,402.40 : 104,088 = 31,926.49 : x
  2. Step 2: Convert to fraction form
    69,402.40/104,088 = 31,926.49/x
  3. Step 3: Cross multiply
    69,402.40x = 104,088 × 31,926.49
  4. Step 4: Simplify right side
    69,402.40x = 3,323,164,491.12
  5. Step 5: Solve for x
    x = 3,323,164,491.12/69,402.40
  6. Step 6: Final answer
    x = 47,882.56

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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.