Home / 30,319.83-41,842.43-16,891.91

Finding the Fourth Proportional to 30,319.83, 41,842.43 and 16,891.91

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Solution

The fourth proportional to 30,319.83, 41,842.43 and 16,891.91 is: 23,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319.83 : 41,842.43 = 16,891.91 : x
  2. Step 2: Convert to fraction form
    30,319.83/41,842.43 = 16,891.91/x
  3. Step 3: Cross multiply
    30,319.83x = 41,842.43 × 16,891.91
  4. Step 4: Simplify right side
    30,319.83x = 706,798,488.32
  5. Step 5: Solve for x
    x = 706,798,488.32/30,319.83
  6. Step 6: Final answer
    x = 23,311.43

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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.