Home / 43,239.59-64,884.39-18,278.02

Finding the Fourth Proportional to 43,239.59, 64,884.39 and 18,278.02

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Solution

The fourth proportional to 43,239.59, 64,884.39 and 18,278.02 is: 27,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,239.59 : 64,884.39 = 18,278.02 : x
  2. Step 2: Convert to fraction form
    43,239.59/64,884.39 = 18,278.02/x
  3. Step 3: Cross multiply
    43,239.59x = 64,884.39 × 18,278.02
  4. Step 4: Simplify right side
    43,239.59x = 1,185,958,178.11
  5. Step 5: Solve for x
    x = 1,185,958,178.11/43,239.59
  6. Step 6: Final answer
    x = 27,427.60

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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.