Home / 64,817.20-89,451.20-37,961.75

Finding the Fourth Proportional to 64,817.20, 89,451.20 and 37,961.75

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Solution

The fourth proportional to 64,817.20, 89,451.20 and 37,961.75 is: 52,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,817.20 : 89,451.20 = 37,961.75 : x
  2. Step 2: Convert to fraction form
    64,817.20/89,451.20 = 37,961.75/x
  3. Step 3: Cross multiply
    64,817.20x = 89,451.20 × 37,961.75
  4. Step 4: Simplify right side
    64,817.20x = 3,395,724,091.60
  5. Step 5: Solve for x
    x = 3,395,724,091.60/64,817.20
  6. Step 6: Final answer
    x = 52,389.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.