Home / 45,452.16-68,167.44-20,476.80

Finding the Fourth Proportional to 45,452.16, 68,167.44 and 20,476.80

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Solution

The fourth proportional to 45,452.16, 68,167.44 and 20,476.80 is: 30,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,452.16 : 68,167.44 = 20,476.80 : x
  2. Step 2: Convert to fraction form
    45,452.16/68,167.44 = 20,476.80/x
  3. Step 3: Cross multiply
    45,452.16x = 68,167.44 × 20,476.80
  4. Step 4: Simplify right side
    45,452.16x = 1,395,851,035.39
  5. Step 5: Solve for x
    x = 1,395,851,035.39/45,452.16
  6. Step 6: Final answer
    x = 30,710.33

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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.