Home / 30,400.50-45,605.31-10,675.59

Finding the Fourth Proportional to 30,400.50, 45,605.31 and 10,675.59

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Solution

The fourth proportional to 30,400.50, 45,605.31 and 10,675.59 is: 16,014.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.50 : 45,605.31 = 10,675.59 : x
  2. Step 2: Convert to fraction form
    30,400.50/45,605.31 = 10,675.59/x
  3. Step 3: Cross multiply
    30,400.50x = 45,605.31 × 10,675.59
  4. Step 4: Simplify right side
    30,400.50x = 486,863,591.38
  5. Step 5: Solve for x
    x = 486,863,591.38/30,400.50
  6. Step 6: Final answer
    x = 16,014.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.