Home / 53,005.72-79,512.26-17,933.52

Finding the Fourth Proportional to 53,005.72, 79,512.26 and 17,933.52

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Solution

The fourth proportional to 53,005.72, 79,512.26 and 17,933.52 is: 26,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,005.72 : 79,512.26 = 17,933.52 : x
  2. Step 2: Convert to fraction form
    53,005.72/79,512.26 = 17,933.52/x
  3. Step 3: Cross multiply
    53,005.72x = 79,512.26 × 17,933.52
  4. Step 4: Simplify right side
    53,005.72x = 1,425,934,704.96
  5. Step 5: Solve for x
    x = 1,425,934,704.96/53,005.72
  6. Step 6: Final answer
    x = 26,901.53

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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.