Home / 43,161-64,741.52-11,996.52

Finding the Fourth Proportional to 43,161, 64,741.52 and 11,996.52

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Solution

The fourth proportional to 43,161, 64,741.52 and 11,996.52 is: 17,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,161 : 64,741.52 = 11,996.52 : x
  2. Step 2: Convert to fraction form
    43,161/64,741.52 = 11,996.52/x
  3. Step 3: Cross multiply
    43,161x = 64,741.52 × 11,996.52
  4. Step 4: Simplify right side
    43,161x = 776,672,939.51
  5. Step 5: Solve for x
    x = 776,672,939.51/43,161
  6. Step 6: Final answer
    x = 17,994.79

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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.