Home / 43,915.54-65,881.80-14,325.42

Finding the Fourth Proportional to 43,915.54, 65,881.80 and 14,325.42

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Solution

The fourth proportional to 43,915.54, 65,881.80 and 14,325.42 is: 21,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,915.54 : 65,881.80 = 14,325.42 : x
  2. Step 2: Convert to fraction form
    43,915.54/65,881.80 = 14,325.42/x
  3. Step 3: Cross multiply
    43,915.54x = 65,881.80 × 14,325.42
  4. Step 4: Simplify right side
    43,915.54x = 943,784,455.36
  5. Step 5: Solve for x
    x = 943,784,455.36/43,915.54
  6. Step 6: Final answer
    x = 21,490.90

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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.