Home / 39,975.92-59,958.41-11,900.31

Finding the Fourth Proportional to 39,975.92, 59,958.41 and 11,900.31

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Solution

The fourth proportional to 39,975.92, 59,958.41 and 11,900.31 is: 17,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.92 : 59,958.41 = 11,900.31 : x
  2. Step 2: Convert to fraction form
    39,975.92/59,958.41 = 11,900.31/x
  3. Step 3: Cross multiply
    39,975.92x = 59,958.41 × 11,900.31
  4. Step 4: Simplify right side
    39,975.92x = 713,523,666.11
  5. Step 5: Solve for x
    x = 713,523,666.11/39,975.92
  6. Step 6: Final answer
    x = 17,848.84

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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.