Home / 43,091.36-59,424.31-28,751.77

Finding the Fourth Proportional to 43,091.36, 59,424.31 and 28,751.77

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Solution

The fourth proportional to 43,091.36, 59,424.31 and 28,751.77 is: 39,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,091.36 : 59,424.31 = 28,751.77 : x
  2. Step 2: Convert to fraction form
    43,091.36/59,424.31 = 28,751.77/x
  3. Step 3: Cross multiply
    43,091.36x = 59,424.31 × 28,751.77
  4. Step 4: Simplify right side
    43,091.36x = 1,708,554,203.75
  5. Step 5: Solve for x
    x = 1,708,554,203.75/43,091.36
  6. Step 6: Final answer
    x = 39,649.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.