Home / 30,406.52-41,960.55-16,977.98

Finding the Fourth Proportional to 30,406.52, 41,960.55 and 16,977.98

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Solution

The fourth proportional to 30,406.52, 41,960.55 and 16,977.98 is: 23,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406.52 : 41,960.55 = 16,977.98 : x
  2. Step 2: Convert to fraction form
    30,406.52/41,960.55 = 16,977.98/x
  3. Step 3: Cross multiply
    30,406.52x = 41,960.55 × 16,977.98
  4. Step 4: Simplify right side
    30,406.52x = 712,405,378.69
  5. Step 5: Solve for x
    x = 712,405,378.69/30,406.52
  6. Step 6: Final answer
    x = 23,429.36

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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.