Home / 39,960.27-59,938.99-9,974.68

Finding the Fourth Proportional to 39,960.27, 59,938.99 and 9,974.68

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Solution

The fourth proportional to 39,960.27, 59,938.99 and 9,974.68 is: 14,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.27 : 59,938.99 = 9,974.68 : x
  2. Step 2: Convert to fraction form
    39,960.27/59,938.99 = 9,974.68/x
  3. Step 3: Cross multiply
    39,960.27x = 59,938.99 × 9,974.68
  4. Step 4: Simplify right side
    39,960.27x = 597,872,069.99
  5. Step 5: Solve for x
    x = 597,872,069.99/39,960.27
  6. Step 6: Final answer
    x = 14,961.66

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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.