Home / 30,764.91-42,454.37-17,338.86

Finding the Fourth Proportional to 30,764.91, 42,454.37 and 17,338.86

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Solution

The fourth proportional to 30,764.91, 42,454.37 and 17,338.86 is: 23,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764.91 : 42,454.37 = 17,338.86 : x
  2. Step 2: Convert to fraction form
    30,764.91/42,454.37 = 17,338.86/x
  3. Step 3: Cross multiply
    30,764.91x = 42,454.37 × 17,338.86
  4. Step 4: Simplify right side
    30,764.91x = 736,110,291.12
  5. Step 5: Solve for x
    x = 736,110,291.12/30,764.91
  6. Step 6: Final answer
    x = 23,926.94

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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.