Home / 53,263.04-79,896.98-19,972.04

Finding the Fourth Proportional to 53,263.04, 79,896.98 and 19,972.04

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Solution

The fourth proportional to 53,263.04, 79,896.98 and 19,972.04 is: 29,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,263.04 : 79,896.98 = 19,972.04 : x
  2. Step 2: Convert to fraction form
    53,263.04/79,896.98 = 19,972.04/x
  3. Step 3: Cross multiply
    53,263.04x = 79,896.98 × 19,972.04
  4. Step 4: Simplify right side
    53,263.04x = 1,595,705,330.88
  5. Step 5: Solve for x
    x = 1,595,705,330.88/53,263.04
  6. Step 6: Final answer
    x = 29,958.96

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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.