Home / 70,915.02-106,372.20-20,995.41

Finding the Fourth Proportional to 70,915.02, 106,372.20 and 20,995.41

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Solution

The fourth proportional to 70,915.02, 106,372.20 and 20,995.41 is: 31,493.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,915.02 : 106,372.20 = 20,995.41 : x
  2. Step 2: Convert to fraction form
    70,915.02/106,372.20 = 20,995.41/x
  3. Step 3: Cross multiply
    70,915.02x = 106,372.20 × 20,995.41
  4. Step 4: Simplify right side
    70,915.02x = 2,233,327,951.60
  5. Step 5: Solve for x
    x = 2,233,327,951.60/70,915.02
  6. Step 6: Final answer
    x = 31,493.02

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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.