Home / 39,655.78-59,491.87-13,362.57

Finding the Fourth Proportional to 39,655.78, 59,491.87 and 13,362.57

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Solution

The fourth proportional to 39,655.78, 59,491.87 and 13,362.57 is: 20,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,655.78 : 59,491.87 = 13,362.57 : x
  2. Step 2: Convert to fraction form
    39,655.78/59,491.87 = 13,362.57/x
  3. Step 3: Cross multiply
    39,655.78x = 59,491.87 × 13,362.57
  4. Step 4: Simplify right side
    39,655.78x = 794,964,243.90
  5. Step 5: Solve for x
    x = 794,964,243.90/39,655.78
  6. Step 6: Final answer
    x = 20,046.62

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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.