Home / 64,377.20-96,562.20-20,003.60

Finding the Fourth Proportional to 64,377.20, 96,562.20 and 20,003.60

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Solution

The fourth proportional to 64,377.20, 96,562.20 and 20,003.60 is: 30,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,377.20 : 96,562.20 = 20,003.60 : x
  2. Step 2: Convert to fraction form
    64,377.20/96,562.20 = 20,003.60/x
  3. Step 3: Cross multiply
    64,377.20x = 96,562.20 × 20,003.60
  4. Step 4: Simplify right side
    64,377.20x = 1,931,591,623.92
  5. Step 5: Solve for x
    x = 1,931,591,623.92/64,377.20
  6. Step 6: Final answer
    x = 30,004.28

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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.