Home / 24,551.20-36,729.60-21,300.40

Finding the Fourth Proportional to 24,551.20, 36,729.60 and 21,300.40

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Solution

The fourth proportional to 24,551.20, 36,729.60 and 21,300.40 is: 31,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,551.20 : 36,729.60 = 21,300.40 : x
  2. Step 2: Convert to fraction form
    24,551.20/36,729.60 = 21,300.40/x
  3. Step 3: Cross multiply
    24,551.20x = 36,729.60 × 21,300.40
  4. Step 4: Simplify right side
    24,551.20x = 782,355,171.84
  5. Step 5: Solve for x
    x = 782,355,171.84/24,551.20
  6. Step 6: Final answer
    x = 31,866.27

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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.