Home / 39,939.18-59,975.61-38,349.90

Finding the Fourth Proportional to 39,939.18, 59,975.61 and 38,349.90

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Solution

The fourth proportional to 39,939.18, 59,975.61 and 38,349.90 is: 57,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.18 : 59,975.61 = 38,349.90 : x
  2. Step 2: Convert to fraction form
    39,939.18/59,975.61 = 38,349.90/x
  3. Step 3: Cross multiply
    39,939.18x = 59,975.61 × 38,349.90
  4. Step 4: Simplify right side
    39,939.18x = 2,300,058,645.94
  5. Step 5: Solve for x
    x = 2,300,058,645.94/39,939.18
  6. Step 6: Final answer
    x = 57,589.03

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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.