Home / 43,630.64-65,446.26-18,649.63

Finding the Fourth Proportional to 43,630.64, 65,446.26 and 18,649.63

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Solution

The fourth proportional to 43,630.64, 65,446.26 and 18,649.63 is: 27,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,630.64 : 65,446.26 = 18,649.63 : x
  2. Step 2: Convert to fraction form
    43,630.64/65,446.26 = 18,649.63/x
  3. Step 3: Cross multiply
    43,630.64x = 65,446.26 × 18,649.63
  4. Step 4: Simplify right side
    43,630.64x = 1,220,548,533.88
  5. Step 5: Solve for x
    x = 1,220,548,533.88/43,630.64
  6. Step 6: Final answer
    x = 27,974.57

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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.