Home / 40,429.40-60,644.10-36,152.60

Finding the Fourth Proportional to 40,429.40, 60,644.10 and 36,152.60

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Solution

The fourth proportional to 40,429.40, 60,644.10 and 36,152.60 is: 54,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,429.40 : 60,644.10 = 36,152.60 : x
  2. Step 2: Convert to fraction form
    40,429.40/60,644.10 = 36,152.60/x
  3. Step 3: Cross multiply
    40,429.40x = 60,644.10 × 36,152.60
  4. Step 4: Simplify right side
    40,429.40x = 2,192,441,889.66
  5. Step 5: Solve for x
    x = 2,192,441,889.66/40,429.40
  6. Step 6: Final answer
    x = 54,228.90

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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.