Home / 30,777.91-42,470.97-17,352.46

Finding the Fourth Proportional to 30,777.91, 42,470.97 and 17,352.46

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Solution

The fourth proportional to 30,777.91, 42,470.97 and 17,352.46 is: 23,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,777.91 : 42,470.97 = 17,352.46 : x
  2. Step 2: Convert to fraction form
    30,777.91/42,470.97 = 17,352.46/x
  3. Step 3: Cross multiply
    30,777.91x = 42,470.97 × 17,352.46
  4. Step 4: Simplify right side
    30,777.91x = 736,975,796.10
  5. Step 5: Solve for x
    x = 736,975,796.10/30,777.91
  6. Step 6: Final answer
    x = 23,944.96

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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.