Home / 53,040.64-79,556.73-30,839.86

Finding the Fourth Proportional to 53,040.64, 79,556.73 and 30,839.86

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Solution

The fourth proportional to 53,040.64, 79,556.73 and 30,839.86 is: 46,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,040.64 : 79,556.73 = 30,839.86 : x
  2. Step 2: Convert to fraction form
    53,040.64/79,556.73 = 30,839.86/x
  3. Step 3: Cross multiply
    53,040.64x = 79,556.73 × 30,839.86
  4. Step 4: Simplify right side
    53,040.64x = 2,453,518,415.26
  5. Step 5: Solve for x
    x = 2,453,518,415.26/53,040.64
  6. Step 6: Final answer
    x = 46,257.33

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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.