Home / 53,147.88-79,726.41-13,704.66

Finding the Fourth Proportional to 53,147.88, 79,726.41 and 13,704.66

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Solution

The fourth proportional to 53,147.88, 79,726.41 and 13,704.66 is: 20,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,147.88 : 79,726.41 = 13,704.66 : x
  2. Step 2: Convert to fraction form
    53,147.88/79,726.41 = 13,704.66/x
  3. Step 3: Cross multiply
    53,147.88x = 79,726.41 × 13,704.66
  4. Step 4: Simplify right side
    53,147.88x = 1,092,623,342.07
  5. Step 5: Solve for x
    x = 1,092,623,342.07/53,147.88
  6. Step 6: Final answer
    x = 20,558.17

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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.