Home / 43,051.97-64,577.86-11,887.13

Finding the Fourth Proportional to 43,051.97, 64,577.86 and 11,887.13

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Solution

The fourth proportional to 43,051.97, 64,577.86 and 11,887.13 is: 17,830.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,051.97 : 64,577.86 = 11,887.13 : x
  2. Step 2: Convert to fraction form
    43,051.97/64,577.86 = 11,887.13/x
  3. Step 3: Cross multiply
    43,051.97x = 64,577.86 × 11,887.13
  4. Step 4: Simplify right side
    43,051.97x = 767,645,064.33
  5. Step 5: Solve for x
    x = 767,645,064.33/43,051.97
  6. Step 6: Final answer
    x = 17,830.66

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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.