Home / 51,022.80-76,534.20-23,320.80

Finding the Fourth Proportional to 51,022.80, 76,534.20 and 23,320.80

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Solution

The fourth proportional to 51,022.80, 76,534.20 and 23,320.80 is: 34,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,022.80 : 76,534.20 = 23,320.80 : x
  2. Step 2: Convert to fraction form
    51,022.80/76,534.20 = 23,320.80/x
  3. Step 3: Cross multiply
    51,022.80x = 76,534.20 × 23,320.80
  4. Step 4: Simplify right side
    51,022.80x = 1,784,838,771.36
  5. Step 5: Solve for x
    x = 1,784,838,771.36/51,022.80
  6. Step 6: Final answer
    x = 34,981.20

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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.