Home / 43,053.36-64,583.73-11,888.61

Finding the Fourth Proportional to 43,053.36, 64,583.73 and 11,888.61

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Solution

The fourth proportional to 43,053.36, 64,583.73 and 11,888.61 is: 17,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,053.36 : 64,583.73 = 11,888.61 : x
  2. Step 2: Convert to fraction form
    43,053.36/64,583.73 = 11,888.61/x
  3. Step 3: Cross multiply
    43,053.36x = 64,583.73 × 11,888.61
  4. Step 4: Simplify right side
    43,053.36x = 767,810,778.32
  5. Step 5: Solve for x
    x = 767,810,778.32/43,053.36
  6. Step 6: Final answer
    x = 17,833.93

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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.