Home / 53,021.87-73,171.12-29,148.48

Finding the Fourth Proportional to 53,021.87, 73,171.12 and 29,148.48

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Solution

The fourth proportional to 53,021.87, 73,171.12 and 29,148.48 is: 40,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.87 : 73,171.12 = 29,148.48 : x
  2. Step 2: Convert to fraction form
    53,021.87/73,171.12 = 29,148.48/x
  3. Step 3: Cross multiply
    53,021.87x = 73,171.12 × 29,148.48
  4. Step 4: Simplify right side
    53,021.87x = 2,132,826,927.90
  5. Step 5: Solve for x
    x = 2,132,826,927.90/53,021.87
  6. Step 6: Final answer
    x = 40,225.42

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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.