Home / 24,281.20-36,502.80-21,073.60

Finding the Fourth Proportional to 24,281.20, 36,502.80 and 21,073.60

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Solution

The fourth proportional to 24,281.20, 36,502.80 and 21,073.60 is: 31,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,281.20 : 36,502.80 = 21,073.60 : x
  2. Step 2: Convert to fraction form
    24,281.20/36,502.80 = 21,073.60/x
  3. Step 3: Cross multiply
    24,281.20x = 36,502.80 × 21,073.60
  4. Step 4: Simplify right side
    24,281.20x = 769,245,406.08
  5. Step 5: Solve for x
    x = 769,245,406.08/24,281.20
  6. Step 6: Final answer
    x = 31,680.70

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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.