Home / 52,982.22-79,455.78-21,384.12

Finding the Fourth Proportional to 52,982.22, 79,455.78 and 21,384.12

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Solution

The fourth proportional to 52,982.22, 79,455.78 and 21,384.12 is: 32,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,982.22 : 79,455.78 = 21,384.12 : x
  2. Step 2: Convert to fraction form
    52,982.22/79,455.78 = 21,384.12/x
  3. Step 3: Cross multiply
    52,982.22x = 79,455.78 × 21,384.12
  4. Step 4: Simplify right side
    52,982.22x = 1,699,091,934.21
  5. Step 5: Solve for x
    x = 1,699,091,934.21/52,982.22
  6. Step 6: Final answer
    x = 32,069.10

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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.