Home / 45,043.64-67,575.03-13,453.36

Finding the Fourth Proportional to 45,043.64, 67,575.03 and 13,453.36

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Solution

The fourth proportional to 45,043.64, 67,575.03 and 13,453.36 is: 20,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,043.64 : 67,575.03 = 13,453.36 : x
  2. Step 2: Convert to fraction form
    45,043.64/67,575.03 = 13,453.36/x
  3. Step 3: Cross multiply
    45,043.64x = 67,575.03 × 13,453.36
  4. Step 4: Simplify right side
    45,043.64x = 909,111,205.60
  5. Step 5: Solve for x
    x = 909,111,205.60/45,043.64
  6. Step 6: Final answer
    x = 20,182.90

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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.