Home / 43,274.70-64,899.90-13,701.60

Finding the Fourth Proportional to 43,274.70, 64,899.90 and 13,701.60

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Solution

The fourth proportional to 43,274.70, 64,899.90 and 13,701.60 is: 20,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,274.70 : 64,899.90 = 13,701.60 : x
  2. Step 2: Convert to fraction form
    43,274.70/64,899.90 = 13,701.60/x
  3. Step 3: Cross multiply
    43,274.70x = 64,899.90 × 13,701.60
  4. Step 4: Simplify right side
    43,274.70x = 889,232,469.84
  5. Step 5: Solve for x
    x = 889,232,469.84/43,274.70
  6. Step 6: Final answer
    x = 20,548.55

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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.