Home / 43,418.54-65,010.71-28,388.39

Finding the Fourth Proportional to 43,418.54, 65,010.71 and 28,388.39

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Solution

The fourth proportional to 43,418.54, 65,010.71 and 28,388.39 is: 42,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,418.54 : 65,010.71 = 28,388.39 : x
  2. Step 2: Convert to fraction form
    43,418.54/65,010.71 = 28,388.39/x
  3. Step 3: Cross multiply
    43,418.54x = 65,010.71 × 28,388.39
  4. Step 4: Simplify right side
    43,418.54x = 1,845,549,135.57
  5. Step 5: Solve for x
    x = 1,845,549,135.57/43,418.54
  6. Step 6: Final answer
    x = 42,506.01

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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.