Home / 64,610.28-96,915.57-20,240.91

Finding the Fourth Proportional to 64,610.28, 96,915.57 and 20,240.91

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Solution

The fourth proportional to 64,610.28, 96,915.57 and 20,240.91 is: 30,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,610.28 : 96,915.57 = 20,240.91 : x
  2. Step 2: Convert to fraction form
    64,610.28/96,915.57 = 20,240.91/x
  3. Step 3: Cross multiply
    64,610.28x = 96,915.57 × 20,240.91
  4. Step 4: Simplify right side
    64,610.28x = 1,961,659,329.97
  5. Step 5: Solve for x
    x = 1,961,659,329.97/64,610.28
  6. Step 6: Final answer
    x = 30,361.41

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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.