Home / 24,489.40-36,734.10-21,148.60

Finding the Fourth Proportional to 24,489.40, 36,734.10 and 21,148.60

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Solution

The fourth proportional to 24,489.40, 36,734.10 and 21,148.60 is: 31,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,489.40 : 36,734.10 = 21,148.60 : x
  2. Step 2: Convert to fraction form
    24,489.40/36,734.10 = 21,148.60/x
  3. Step 3: Cross multiply
    24,489.40x = 36,734.10 × 21,148.60
  4. Step 4: Simplify right side
    24,489.40x = 776,874,787.26
  5. Step 5: Solve for x
    x = 776,874,787.26/24,489.40
  6. Step 6: Final answer
    x = 31,722.90

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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.