Home / 42,984.44-64,455.92-18,017.79

Finding the Fourth Proportional to 42,984.44, 64,455.92 and 18,017.79

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Solution

The fourth proportional to 42,984.44, 64,455.92 and 18,017.79 is: 27,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,984.44 : 64,455.92 = 18,017.79 : x
  2. Step 2: Convert to fraction form
    42,984.44/64,455.92 = 18,017.79/x
  3. Step 3: Cross multiply
    42,984.44x = 64,455.92 × 18,017.79
  4. Step 4: Simplify right side
    42,984.44x = 1,161,352,908.54
  5. Step 5: Solve for x
    x = 1,161,352,908.54/42,984.44
  6. Step 6: Final answer
    x = 27,017.98

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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.