Home / 39,840.36-59,797.44-20,132.70

Finding the Fourth Proportional to 39,840.36, 59,797.44 and 20,132.70

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Solution

The fourth proportional to 39,840.36, 59,797.44 and 20,132.70 is: 30,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.36 : 59,797.44 = 20,132.70 : x
  2. Step 2: Convert to fraction form
    39,840.36/59,797.44 = 20,132.70/x
  3. Step 3: Cross multiply
    39,840.36x = 59,797.44 × 20,132.70
  4. Step 4: Simplify right side
    39,840.36x = 1,203,883,920.29
  5. Step 5: Solve for x
    x = 1,203,883,920.29/39,840.36
  6. Step 6: Final answer
    x = 30,217.70

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1.5x scale

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.