Home / 24,419.20-36,531.60-21,168.40

Finding the Fourth Proportional to 24,419.20, 36,531.60 and 21,168.40

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Solution

The fourth proportional to 24,419.20, 36,531.60 and 21,168.40 is: 31,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,419.20 : 36,531.60 = 21,168.40 : x
  2. Step 2: Convert to fraction form
    24,419.20/36,531.60 = 21,168.40/x
  3. Step 3: Cross multiply
    24,419.20x = 36,531.60 × 21,168.40
  4. Step 4: Simplify right side
    24,419.20x = 773,315,521.44
  5. Step 5: Solve for x
    x = 773,315,521.44/24,419.20
  6. Step 6: Final answer
    x = 31,668.34

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1.5x scale

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.