Home / 30,127.87-41,575.31-16,698.79

Finding the Fourth Proportional to 30,127.87, 41,575.31 and 16,698.79

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Solution

The fourth proportional to 30,127.87, 41,575.31 and 16,698.79 is: 23,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.87 : 41,575.31 = 16,698.79 : x
  2. Step 2: Convert to fraction form
    30,127.87/41,575.31 = 16,698.79/x
  3. Step 3: Cross multiply
    30,127.87x = 41,575.31 × 16,698.79
  4. Step 4: Simplify right side
    30,127.87x = 694,257,079.50
  5. Step 5: Solve for x
    x = 694,257,079.50/30,127.87
  6. Step 6: Final answer
    x = 23,043.69

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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.