Home / 39,939.54-59,904.18-10,359.42

Finding the Fourth Proportional to 39,939.54, 59,904.18 and 10,359.42

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Solution

The fourth proportional to 39,939.54, 59,904.18 and 10,359.42 is: 15,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.54 : 59,904.18 = 10,359.42 : x
  2. Step 2: Convert to fraction form
    39,939.54/59,904.18 = 10,359.42/x
  3. Step 3: Cross multiply
    39,939.54x = 59,904.18 × 10,359.42
  4. Step 4: Simplify right side
    39,939.54x = 620,572,560.38
  5. Step 5: Solve for x
    x = 620,572,560.38/39,939.54
  6. Step 6: Final answer
    x = 15,537.80

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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.