Home / 53,267.13-79,879.93-19,969.04

Finding the Fourth Proportional to 53,267.13, 79,879.93 and 19,969.04

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Solution

The fourth proportional to 53,267.13, 79,879.93 and 19,969.04 is: 29,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,267.13 : 79,879.93 = 19,969.04 : x
  2. Step 2: Convert to fraction form
    53,267.13/79,879.93 = 19,969.04/x
  3. Step 3: Cross multiply
    53,267.13x = 79,879.93 × 19,969.04
  4. Step 4: Simplify right side
    53,267.13x = 1,595,125,667.14
  5. Step 5: Solve for x
    x = 1,595,125,667.14/53,267.13
  6. Step 6: Final answer
    x = 29,945.78

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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.