Home / 51,879.03-71,592.30-29,218.07

Finding the Fourth Proportional to 51,879.03, 71,592.30 and 29,218.07

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Solution

The fourth proportional to 51,879.03, 71,592.30 and 29,218.07 is: 40,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,879.03 : 71,592.30 = 29,218.07 : x
  2. Step 2: Convert to fraction form
    51,879.03/71,592.30 = 29,218.07/x
  3. Step 3: Cross multiply
    51,879.03x = 71,592.30 × 29,218.07
  4. Step 4: Simplify right side
    51,879.03x = 2,091,788,474.90
  5. Step 5: Solve for x
    x = 2,091,788,474.90/51,879.03
  6. Step 6: Final answer
    x = 40,320.50

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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.