Home / 43,161.50-64,742.27-11,997.02

Finding the Fourth Proportional to 43,161.50, 64,742.27 and 11,997.02

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Solution

The fourth proportional to 43,161.50, 64,742.27 and 11,997.02 is: 17,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,161.50 : 64,742.27 = 11,997.02 : x
  2. Step 2: Convert to fraction form
    43,161.50/64,742.27 = 11,997.02/x
  3. Step 3: Cross multiply
    43,161.50x = 64,742.27 × 11,997.02
  4. Step 4: Simplify right side
    43,161.50x = 776,714,308.04
  5. Step 5: Solve for x
    x = 776,714,308.04/43,161.50
  6. Step 6: Final answer
    x = 17,995.54

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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.