Home / 24,320.20-36,383.10-21,069.40

Finding the Fourth Proportional to 24,320.20, 36,383.10 and 21,069.40

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Solution

The fourth proportional to 24,320.20, 36,383.10 and 21,069.40 is: 31,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,320.20 : 36,383.10 = 21,069.40 : x
  2. Step 2: Convert to fraction form
    24,320.20/36,383.10 = 21,069.40/x
  3. Step 3: Cross multiply
    24,320.20x = 36,383.10 × 21,069.40
  4. Step 4: Simplify right side
    24,320.20x = 766,570,087.14
  5. Step 5: Solve for x
    x = 766,570,087.14/24,320.20
  6. Step 6: Final answer
    x = 31,519.89

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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.