Home / 30,771.04-42,462.48-17,345.44

Finding the Fourth Proportional to 30,771.04, 42,462.48 and 17,345.44

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Solution

The fourth proportional to 30,771.04, 42,462.48 and 17,345.44 is: 23,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.04 : 42,462.48 = 17,345.44 : x
  2. Step 2: Convert to fraction form
    30,771.04/42,462.48 = 17,345.44/x
  3. Step 3: Cross multiply
    30,771.04x = 42,462.48 × 17,345.44
  4. Step 4: Simplify right side
    30,771.04x = 736,530,399.09
  5. Step 5: Solve for x
    x = 736,530,399.09/30,771.04
  6. Step 6: Final answer
    x = 23,935.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.