Home / 43,311.60-64,967.40-36,313.20

Finding the Fourth Proportional to 43,311.60, 64,967.40 and 36,313.20

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Solution

The fourth proportional to 43,311.60, 64,967.40 and 36,313.20 is: 54,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,311.60 : 64,967.40 = 36,313.20 : x
  2. Step 2: Convert to fraction form
    43,311.60/64,967.40 = 36,313.20/x
  3. Step 3: Cross multiply
    43,311.60x = 64,967.40 × 36,313.20
  4. Step 4: Simplify right side
    43,311.60x = 2,359,174,189.68
  5. Step 5: Solve for x
    x = 2,359,174,189.68/43,311.60
  6. Step 6: Final answer
    x = 54,469.80

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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.