Home / 39,840.12-59,797.08-20,132.52

Finding the Fourth Proportional to 39,840.12, 59,797.08 and 20,132.52

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Solution

The fourth proportional to 39,840.12, 59,797.08 and 20,132.52 is: 30,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.12 : 59,797.08 = 20,132.52 : x
  2. Step 2: Convert to fraction form
    39,840.12/59,797.08 = 20,132.52/x
  3. Step 3: Cross multiply
    39,840.12x = 59,797.08 × 20,132.52
  4. Step 4: Simplify right side
    39,840.12x = 1,203,865,909.04
  5. Step 5: Solve for x
    x = 1,203,865,909.04/39,840.12
  6. Step 6: Final answer
    x = 30,217.43

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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.