Home / 39,840.38-59,760.02-13,563.44

Finding the Fourth Proportional to 39,840.38, 59,760.02 and 13,563.44

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Solution

The fourth proportional to 39,840.38, 59,760.02 and 13,563.44 is: 20,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.38 : 59,760.02 = 13,563.44 : x
  2. Step 2: Convert to fraction form
    39,840.38/59,760.02 = 13,563.44/x
  3. Step 3: Cross multiply
    39,840.38x = 59,760.02 × 13,563.44
  4. Step 4: Simplify right side
    39,840.38x = 810,551,445.67
  5. Step 5: Solve for x
    x = 810,551,445.67/39,840.38
  6. Step 6: Final answer
    x = 20,344.97

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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.