Home / 43,266.60-64,906.65-13,681.62

Finding the Fourth Proportional to 43,266.60, 64,906.65 and 13,681.62

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Solution

The fourth proportional to 43,266.60, 64,906.65 and 13,681.62 is: 20,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.60 : 64,906.65 = 13,681.62 : x
  2. Step 2: Convert to fraction form
    43,266.60/64,906.65 = 13,681.62/x
  3. Step 3: Cross multiply
    43,266.60x = 64,906.65 × 13,681.62
  4. Step 4: Simplify right side
    43,266.60x = 888,028,120.77
  5. Step 5: Solve for x
    x = 888,028,120.77/43,266.60
  6. Step 6: Final answer
    x = 20,524.56

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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.