Home / 52,678.48-79,017.79-21,513.73

Finding the Fourth Proportional to 52,678.48, 79,017.79 and 21,513.73

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Solution

The fourth proportional to 52,678.48, 79,017.79 and 21,513.73 is: 32,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,678.48 : 79,017.79 = 21,513.73 : x
  2. Step 2: Convert to fraction form
    52,678.48/79,017.79 = 21,513.73/x
  3. Step 3: Cross multiply
    52,678.48x = 79,017.79 × 21,513.73
  4. Step 4: Simplify right side
    52,678.48x = 1,699,967,144.44
  5. Step 5: Solve for x
    x = 1,699,967,144.44/52,678.48
  6. Step 6: Final answer
    x = 32,270.62

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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.